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1. 1:24,000 County Boundaries (cnty24k09_1_line)

2009. California Department of Forestry and Fire Protection (using data from BOR, DFG, and DOC FMMP). In late 1996, the Dept of Conservation (DOC) surveyed state and federal agencies about the county boundary coverage they used. As a result, DOC ado... California. California Department Of Forestry and Fire Protection., California. California Department Of Fish and Game.

2. 1:24,000 County Boundaries (cnty24k09_1_multipart)

2009. California Department of Forestry and Fire Protection (using data from BOR, DFG and DOC FMMP). In late 1996, the Dept of Conservation (DOC) surveyed state and federal agencies about the county boundary coverage they used. As a result, DOC ado... California. California Department Of Forestry and Fire Protection., California. California Department Of Fish and Game.

3. 1:24,000 County Boundaries (cnty24k09_1_poly)

2009. California Department of Forestry and Fire Protection (using data from BOR, DFG, and DOC FMMP). In late 1996, the Dept of Conservation (DOC) surveyed state and federal agencies about the county boundary coverage they used. As a result, DOC ado... California. California Department Of Forestry and Fire Protection., California. California Department Of Fish and Game.

4. 1:24,000 County Boundaries (cnty24k09_1_state_bnd)

2009. California Department of Forestry and Fire Protection (using data from BOR, DFG, and DOC FMMP). In late 1996, the Dept of Conservation (DOC) surveyed state and federal agencies about the county boundary coverage they used. As a result, DOC ado... California. California Department Of Forestry and Fire Protection., California. California Department Of Fish and Game.

5. 12-Nautical Mile Coastal Boundary, California, 2001

2001. King, C., California. Department of Fish and Game. Marine Resources Region, and Kum, J. This line shapefile represents the 12 nautical mile distance from the California coastline. It was created by buffering the county-coastline, which... California. Department of Fish and Game. Marine Resources Region.

6. 1-Nautical Mile Coastal Boundary (Polygon), California, 2001

2004. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile represents the coastal area of 1 nautical mile distance form the California shoreline. This layer was created by extracting ... California. Department of Fish and Game. Marine Resources Region.

7. 3 Nautical Mile Offshore Jurisdictional Boundary, California, 1999

1996. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile represents the 3 nautical mile offshore jusdictional boundary for the State of California. The file is a polyline digitized ... California. Department of Fish and Game. Marine Resources Region.

8. 3-Nautical Mile Coastal Boundary, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region and Kum, J. This polygon shapefile shows the standard 3 nautical mile California state water boundary. It was created by buffering the line file called county-... California. Department of Fish and Game. Marine Resources Region.

9. Adjudicated Groundwater Basins, California, 2013

2013. California. Department of Water Resources. This polygon shapefile contains the boundaries of adjudicated groundwater basins in California. These data were developed using the best available ... California. Department of Water Resources.

10. Adjusted Urban Areas, California, 2010

2010. Cuellar, Rose and California. Department of Transportation. This polygon shapefile represents adjusted urban area boundaries for California derived from the 2010 Census urban area boundaries, the preceding 2... California. Department of Transportation.

11. Airports: Sacramento County, California, 2015

2015. Sacramento County GIS. This polygon shapefile represents airports in the County of Sacramento, California. This layer is part of a collection of data originally produced ... Sacramento County GIS.

12. Board of Supervisors Districts: Sacramento County, California, 2015

2015. Sacramento County GIS. This polygon shapefile depicts boundaries for Supervisorial Districts 1, 2, 3, 4 and 5 for the County of Sacramento, California as of 2015. The Boa... Sacramento County GIS.

13. Bodies of Water: Sacramento County, California, 2015

2015. Sacramento County GIS. This polygon shapefile depicts boundaries of bodies of water in the County of Sacramento, California, including canals, dams, the Delta, ponds, res... Sacramento County GIS.

14. Building Footprints: Sacramento County, California, 2015

2015. Sacramento County GIS. This polygon shapefile depicts building footprints of structures along the Sacramento Regional Transit corridor in the County of Sacramento, Califo... Sacramento County GIS.

15. Bulletin 118 - Groundwater Basins and Subbasins, California, 2003

2003. California. Department of Water Resources. The polygon shapefile contains the boundaries of 515 groundwater basins and subbasins as defined by the California Department of Water Resources (B... California. Department of Water Resources.

16. Bulletin 118 - Groundwater Basins and Subbasins, California, 2016

2016. California. Department of Water Resources. This polygon shapefile contains the boundaries of 517 groundwater basins and subbasins as defined by the California Department of Water Resources a... California. Department of Water Resources.

17. California Block Groups 2002

2002. Geographic Data Technology, Inc. (GDT). California Block Groups represents the U.S. Census block groups of California. Environmental Systems Research Institute, Inc. (ESRI).

18. California Coastal National Monument Boundaries, 2009

2009. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile depicts boundaries for the 2,272 acre Califorina Coastal National Monument.This coverage contains boundaries for the Califor... California. Department of Fish and Game. Marine Resources Region.

19. California Coastline, 1994

1994. Fukushima, Ted. This polyline shapefile is a rebuild of the original digitized data with greatly reduced tolerances (see Supplemental Information under Resource De... California. Department of Fish and Game. Marine Resources Region.

20. California Counties: Air Resources Board, 2004

2004. Stephen P. Teale Data Center (Calif.). and California Air Resources Board. Planning and Technical Support Division. This polygon shapefile California represents the California county boundaries at moderate spatial resolution, aligned to match well with the ARB Ca... California. Air Resources Board.

21. California Cowcod Conservation Areas, 2003

2003. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile depicts the Cowcod management boundaries based on California Code Title 14, section 150.06. This Conservation Area is part o...

22. California Cowcod Conservation Areas, 2003-2004

2003. California. Department of Fish and Game. Marine Resources Region. This point shapefile represents the extent of Cowcod management and conservation areas in California. These data are based on California Code Title... California. Department of Fish and Game. Marine Resources Region.

23. California Regional Transportation Planning Agencies, 2013

California. Department of Transportation. This polygon shapefile contains the boundaries of California Regional Transportation Planning Agencies (RTPA) as of February, 2014. These data were... California. Department of Transportation.

24. California Tracts 2002

2002. Geographic Data Technology, Inc. (GDT). California Tracts represents the U.S. Census tracts and block numbering areas (BNA) of California. Environmental Systems Research Institute, Inc. (ESRI).

25. California voting districts from 2010 Census

2010. US Census Bureau, Geography Division. Voting districts in California based on the US decennial Census of 2010. The TIGER/Line shapefiles and related database files (.dbf) are an extract...

26. Carbon Monoxide (CO): Federal Non-Attainment Area Designations: U.S. Region 9, 2011

2011. United States. Environmental Protection Agency. Region IX. This polygon shapefile represents nonattainment areas for carbon monoxide (CO) in EPA Region 9, including California, Nevada and Arizona, for 2011.... United States. Environmental Protection Agency. Region IX.

27. Cemetery Districts: Sacramento County, California, 2015

2015. Sacramento County GIS. This polygon shapefile depicts administrative boundaries for cemetary districts in the County of Sacramento, California: Elk Grove-Cosumnes, Fair O... Sacramento County GIS.

28. Census Designated Places: Sacramento County, California, 2010

2010. Sacramento County GIS. This polygon shapefile depicts boundaries of Census Designated Places (CDPs) in the County of Sacramento, California as of 2010. A Census Designate... Sacramento County GIS.

29. Census Zip Code Tabulation Areas, California, 2010

2010. O'Neill, Michael and California. Office of Statewide Health Planning and Development. This polygon shapefile represents zip code tabulation areas (ZCTAs) for the state of California. These data were gathered from the 2010 Census demo... California. Office of Statewide Health Planning and Development.

30. Cities, California, 2015

2015. Schwarting, Ric and California. Department of Transportation. This polygon shapefile contains the boundaries of cities in California as of 2015. This layer is an updated version of the 2012 layer. These data w... California. Department of Transportation.

31. Cities with Unincorporated Areas: Sacramento County, California, 2013

2013. Sacramento County GIS. This polygon shapefile depicts administrative boundaries of Cities over which the County of Sacramento, California holds authority: Citrus Heights,... Sacramento County GIS.

32. City Boundaries: Sacramento County, California, 2015

2015. Sacramento County GIS. This polygon shapefile depicts administrative boundaries of Cities over which the County of Sacramento, California holds authority: Citrus Heights,... Sacramento County GIS.

33. Coastal Counties, California, 2000

2000. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile represents the 15 coastal counties in California. These counties were extracted from the Counties, California 2000 (county24... California. Department of Fish and Game. Marine Resources Region.

34. Coastline, Western United States, 2004

2004. California. Department of Fish and Game. Marine Resources Region. This line shapefile represents the coastline of the western United States, including California, Oregon, and Washington. This layer is part of a co... California. Department of Fish and Game. Marine Resources Region.

35. Congressional Districts: Sacramento County, California, 2015

2015. Sacramento County GIS. This polygon shapefile depicts boundaries for Congressional Districts 3, 6, 7 and 9 for the County of Sacramento, California as of 2015. Current Co... Sacramento County GIS.

36. Counties, California, 2000

2000. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile represents counties in California. These boundaries were created by digitized 24K quad base maps. This layer is part of a co... California. Department of Fish and Game. Marine Resources Region.

37. Counties, California, 2000

2000. California. Metropolitan Transportation Commission. This polygon shapefile contains the boundaries of the 58 counties in California as of 2000. These data were derived from the TIGER/2000 Census data... California. Metropolitan Transportation Commission.

38. Counties: California, 2010

Bay Area Open Space Council, San Francisco Bay Area Upland Habitat Goals Project, GreenInfo Network (Firm), and San Francisco Bay Area Upland Habitat Goals Project. This polygon shapefile depicts the nine counties of California. This data was derived from the United States Census Bureau Topologically Integrated... Bay Area Open Space Council.

39. County Boundaries (1:24000)

2004. California Department of Forestry and Fire Protection (using data from BOR and DOC FMMP). In late 1996, the Dept of Conservation (DOC) surveyed state and federal agencies about the county boundary coverage they used. As a result, DOC ado... California. California Department Of Forestry and Fire Protection.

40. County Boundary (Polygon): Sacramento County, California, 2015

2015. Sacramento County GIS. This polygon shapefile depicts the county boundary for Sacramento County, California. This layer is part of a collection of data originally produce... Sacramento County GIS.

41. csp09_2unitname

2009. Cal State Parks - Acquisition and Development Division. State park boundaries as delineated by Cal State Parks Survey Section. California. Cal State Parks - Acquisition and Development Division.

42. Districts: California Department of Fish and Wildlife, 2008

2008. California. Biogeographic Data Branch. This polygon shapefile depicts boundaries of the California Department of Fish and Wildlife Districts. Various data sources were used to represent ... California. Department of Fish and Game. Marine Resources Region.

43. Economic Exclusive Zones, Western United States, 2004

2004. California. Department of Fish and Game. Marine Resources Region. This line shapefile represents exclusive economic zones (EEZs) on the west coast of the United States. This layer is part of a collection of data c... California. Department of Fish and Game. Marine Resources Region.

44. Egg Distribution: Lingcod, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This shapefile depicts distribution for eggs of the adult Lingcod (Ophiodon elongatus). The process of creating this shapefile included creating co... California. Department of Fish and Game. Marine Resources Region.

45. Egg Nest Distribution: Cabezon, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile contains the most common distribution of egg nests of the adult Cabezon (Scorpaenichthys marmoratus). The process of creatin... California. Department of Fish and Game. Marine Resources Region.

46. Elementary School Districts, California, 2000

2000. U.S. Census Bureau. Geography Division. This polygon shapefile represents the elementary school district boundaries in California. School districts are geographic entities within which st... U.S. Census Bureau. Geography Division.

47. Entire Adult Distribution: Black Rockfish, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile contains the entire distribution for adult Black Rockfish (Sebastes melanops). The process of creating this shapefile includ... California. Department of Fish and Game. Marine Resources Region.

48. Entire Adult Distribution: Bocaccio Rockfish, California, 2001

2001. California Department of Fish and Wildlife Marine Region GIS Lab. This polygon shapefile contains the entire distribution for adult Bocaccio Rockfish (Sebastes paucispinis). The process of creating this shapefile ... California. Department of Fish and Game. Marine Resources Region.

49. Entire Adult Distribution: Brown Rockfish, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile contains the most common distribution for adult Brown Rockfish (Sebastes auriculatus). The process of creating this shapefil... California. Department of Fish and Game. Marine Resources Region.

50. Entire Adult Distribution: Cabezon, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile contains the entire distribution for adults Cabezon (Scorpaenichthys marmoratus). The process of creating this shapefile inc... California. Department of Fish and Game. Marine Resources Region.

51. Entire Adult Distribution: Calico Rockfish, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile contains the entire distribution for adult Calico Rockfish (Sebastes dalli). The process of creating this shapefile included... California. Department of Fish and Game. Marine Resources Region.

52. Entire Adult Distribution: California Scorpionfish, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile contains the entire distribution for adult California Scorpionfish (Scorpaena guttata). The process of creating this shapefi... California. Department of Fish and Game. Marine Resources Region.

53. Entire Adult Distribution: California Sheephead, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile contains the entire distribution for adult California Sheephead (Semicossyphus pulcher). The process of creating this shapef... California. Department of Fish and Game. Marine Resources Region.

54. Entire Adult Distribution: California Skate, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile depicts the entire distribution for adult California Skate (Raja inornata). The process of creating this shapefile included ... California. Department of Fish and Game. Marine Resources Region.

55. Entire Adult Distribution: Canary Rockfish, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile contains the entire distribution for adult Canary Rockfish (Sebastes pinniger). The process of creating this shapefile inclu... California. Department of Fish and Game. Marine Resources Region.

56. Entire Adult Distribution: China Rockfish, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile contains the entire distribution for adult China Rockfish (Sebastes nebulosus). The process of creating this shapefile inclu... California. Department of Fish and Game. Marine Resources Region.

57. Entire Adult Distribution: Copper Rockfish, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile contains the entire distribution for adult Copper Rockfish (Sebastes caurinus). The process of creating this shapefile inclu... California. Department of Fish and Game. Marine Resources Region.

58. Entire Adult Distribution: Cowcod, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile contains the entire distribution for adult Cowcod (Sebastes levis). The process of creating this shapefile included creating... California. Department of Fish and Game. Marine Resources Region.

59. Entire Adult Distribution: Darkblotched Rockfish, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile contains the entire distribution for adult Darkblotched Rockfish (Sebastes crameri). The process of creating this shapefile ... California. Department of Fish and Game. Marine Resources Region.

60. Entire Adult Distribution: Gopher Rockfish, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile contains the entire distribution for adult Gopher Rockfish (Sebastes carnatus). The process of creating this shapefile inclu... California. Department of Fish and Game. Marine Resources Region.

61. Entire Adult Distribution: Grass Rockfish, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile contains the entire distribution for adult Grass Rockfish (Sebastes rastrelliger). The process of creating this shapefile in... California. Department of Fish and Game. Marine Resources Region.

62. Entire Adult Distribution: Kelp Greenling, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile contains the entire distribution for adult Kelp Greenling (Hexagrammos decagrammus). The process of creating this shapefile ... California. Department of Fish and Game. Marine Resources Region.

63. Entire Adult Distribution: Kelp Rockfish, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile contains the entire distribution for adult Kelp Rockfish (Sebastes atrovirens). The process of creating this shapefile inclu... California. Department of Fish and Game. Marine Resources Region.

64. Entire Adult Distribution: Leopard Shark, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile contains the entire distribution for adult Leopard Shark (Triakis semifasciata). The process of creating this shapefile incl... California. Department of Fish and Game. Marine Resources Region.

65. Entire Adult Distribution: Lingcod, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile contains the entire distribution for adult Lingcod (Ophiodon elongatus). The process of creating this shapefile included cre... California. Department of Fish and Game. Marine Resources Region.

66. Entire Adult Distribution: Monkeyface Prickleback, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile contains the entire distribution for adult Monkeyface Prickleback (Cebidichthys violaceus). The process of creating this sha... California. Department of Fish and Game. Marine Resources Region.

67. Entire Adult Distribution: Ocean Whitefish, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile contains the entire distribution for adult Ocean Whitefish (Caulolatilus princeps). The process of creating this shapefile i... California. Department of Fish and Game. Marine Resources Region.

68. Entire Adult Distribution: Olive Rockfish, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile contains the entire distribution for adult Olive Rockfish (Sebastes serranoides). The process of creating this shapefile inc... California. Department of Fish and Game. Marine Resources Region.

69. Entire Adult Distribution: Quillback Rockfish, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile contains the entire distribution for adult Quillback Rockfish (Sebastes maliger). The process of creating this shapefile inc... California. Department of Fish and Game. Marine Resources Region.

70. Entire Adult Distribution: Rock Greenling, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile contains the entire distribution for adult Rock Greenling (Hexagrammos lagocephalus). The process of creating this shapefile... California. Department of Fish and Game. Marine Resources Region.

71. Entire Adult Distribution: Spotted Sand Bass, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile contains the entire distribution for adult Spotted Sand Bass (Paralabrax maculatofasciatus). The process of creating this sh... California. Department of Fish and Game. Marine Resources Region.

72. Entire Adult Distribution: Treefish, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile contains the entire distribution for adult Treefish (Sebastes serriceps). The process of creating this shapefile included cr... California. Department of Fish and Game. Marine Resources Region.

73. Entire Adult Distribution: White Seabass, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile contains the entire distribution for adult White Seabass (Atractoscion nobilis). The process of creating this shapefile incl... California. Department of Fish and Game. Marine Resources Region.

74. Entire Adult Distribution: Whitespotted Greenling, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile contains the entire distribution for adult Whitespotted Greenling (Hexagrammos selleri). The process of creating this shapef... California. Department of Fish and Game. Marine Resources Region.

75. Entire Adult Distribution: Widow Rockfish, California, 2001

2001. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile contains the entire distribution for adult Widow Rockfish (Sebastes entomelas). The process of creating this shapefile inclu... California. Department of Fish and Game. Marine Resources Region.

76. Farallon Islands, California, 2004

0. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile represents the Farallon Islands in California. This layer is part of a collection of data created by the California Deparmte... California. Department of Fish and Game. Marine Resources Region.

77. Federal Marine Protected Areas, California, 2004

2004. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile includes all of California's marine protected areas that do not have associated Department of Fish and Game fishing regulati... California. Department of Fish and Game. Marine Resources Region.

78. Fees and Easements, California, Protected Areas Database of the United States, 2005-2016

2005. Gap Analysis Program (U.S.). This polygon shapefile contains combined PAD-US Fee and Easements features for California. The USGS Protected Areas Database of the United States (... Gap Analysis Program (U.S.).

79. Fees and Easements, LCC 11, Protected Areas Database of the United States, 2005-2016

2005. Gap Analysis Program (U.S.). This polygon shapefile contains combined PAD-US Fee and Easements features for Landscape Conservation Cooperative (LCC) 11. The USGS Protected Area... Gap Analysis Program (U.S.).

80. Fire Districts: Sacramento County, California, 2015

2015. Sacramento County GIS. This polygon shapefile depicts fire districts in Sacramento County, California. This layer is part of a collection of data originally produced for ... Sacramento County GIS.

81. Fishery Regulation Boundaries, Northern, Central, and Southern Regions of California, 2002

2002. California. Department of Fish and Game. Marine Resources Region. This line shapefile represents the borders for regional boundaries used in California recreational fishery regulations. These polylines extend offs... California. Department of Fish and Game. Marine Resources Region.

82. General Plan: Sacramento County, California, 1993

1993. Sacramento County GIS. This polygon shapefile depicts land use boundaries of the General Plan for unincorporated areas of the County of Sacramento, California as of 1993,... Sacramento County GIS.

83. General Plan: Sacramento County, California, 2011-2030

2011. Sacramento County GIS. This polygon shapefile depicts land use boundaries of the General Plan for unincorporated areas in the County of Sacramento, California effective t... Sacramento County GIS.

84. Grazing Lands: San Francisco Bay Area, California, 2008

2008. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This polygon shapefile depicts grazing lands in the nine county San Francisco Bay Area Region, California. This data was derived from the Californi... Bay Area Open Space Council.

85. Halibut Trawl Grounds: California, 2008

2008. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile depicts California halibut trawl grounds as defined by California Fish and Game Code 8495 and California Code of Regulations... California. Department of Fish and Game. Marine Resources Region.

86. Historical United States County Boundaries, 1850

1850. Earle, Carville, Heppen, John, Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology., Otterstrom, Samuel, and Cao, Changyong. This polygon shapefile contains county boundaries for the United States in 1850. Attributes include county and state names as well as FIPS identifi... Geoscience Publications.

87. Historical United States County Boundaries, 1860

1860. Earle, Carville, Heppen, John, Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology., Otterstrom, Samuel, and Cao, Changyong. This polygon shapefile contains county boundaries for the United States in 1860. Attributes include county and state names as well as FIPS identifi... Geoscience Publications.

88. Historical United States County Boundaries, 1870

1870. Earle, Carville, Heppen, John, Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology., Otterstrom, Samuel, and Cao, Changyong. This polygon shapefile contains county boundaries for the United States in 1870. Attributes include county and state names as well as FIPS identifi... Geoscience Publications.

89. Historical United States County Boundaries, 1880

1880. Earle, Carville, Heppen, John, Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology., Otterstrom, Samuel, and Cao, Changyong. This polygon shapefile contains county boundaries for the United States in 1880. Attributes include county and state names as well as FIPS identifi... Geoscience Publications.

90. Historical United States County Boundaries, 1890

1890. Earle, Carville, Heppen, John, Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology., Otterstrom, Samuel, and Cao, Changyong. This polygon shapefile contains county boundaries for the United States in 1890. Attributes include county and state names as well as FIPS identifi... Geoscience Publications.

91. Historical United States County Boundaries, 1900

1900. Earle, Carville, Heppen, John, Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology., Otterstrom, Samuel, and Cao, Changyong. This polygon shapefile contains county boundaries for the United States in 1900. Attributes include county and state names as well as FIPS identifi... Geoscience Publications.

92. Historical United States County Boundaries, 1910

1910. Earle, Carville, Heppen, John, Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology., Otterstrom, Samuel, and Cao, Changyong. This polygon shapefile contains county boundaries for the United States in 1910. Attributes include county and state names as well as FIPS identifi... Geoscience Publications.

93. Historical United States County Boundaries, 1920

1920. Earle, Carville, Heppen, John, Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology., Otterstrom, Samuel, and Cao, Changyong. This polygon shapefile contains county boundaries for the United States in 1920. Attributes include county and state names as well as FIPS identifi... Geoscience Publications.

94. Historical United States County Boundaries, 1930

1930. Earle, Carville, Heppen, John, Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology., Otterstrom, Samuel, and Cao, Changyong. This polygon shapefile contains county boundaries for the United States in 1930. Attributes include county and state names as well as FIPS identifi... Geoscience Publications.

95. Historical United States County Boundaries, 1940

1940. Earle, Carville, Heppen, John, Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology., Otterstrom, Samuel, and Cao, Changyong. This polygon shapefile contains county boundaries for the United States in 1940. Attributes include county and state names as well as FIPS identifi... Geoscience Publications.

96. Historical United States County Boundaries, 1950

1950. Earle, Carville, Heppen, John, Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology., Otterstrom, Samuel, and Cao, Changyong. This polygon shapefile contains county boundaries for the United States in 1950. Attributes include county and state names as well as FIPS identifi... Geoscience Publications.

97. Historical United States County Boundaries, 1960

1960. Earle, Carville, Heppen, John, Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology., Otterstrom, Samuel, and Cao, Changyong. This polygon shapefile contains county boundaries for the United States in 1960. Attributes include county and state names as well as FIPS identifi... Geoscience Publications.

98. Historical United States County Boundaries, 1970

1970. Earle, Carville, Heppen, John, Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology., Otterstrom, Samuel, and Cao, Changyong. This polygon shapefile contains county boundaries for the United States in 1970. Attributes include county and state names as well as FIPS identifi... Geoscience Publications.

99. Historical United States County Boundaries, 1980

1980. Earle, Carville, Heppen, John, Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology., Otterstrom, Samuel, and Cao, Changyong. This polygon shapefile contains county boundaries for the United States in 1980. Attributes include county and state names as well as FIPS identifi... Geoscience Publications.

100. Historical United States County Boundaries, 1990

1990. Earle, Carville, Heppen, John, Louisiana State University (Baton Rouge, La.). Department of Geography and Anthropology., Otterstrom, Samuel, and Cao, Changyong. This polygon shapefile contains county boundaries for the United States in 1990. Attributes include county and state names as well as FIPS identifi... Geoscience Publications.