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1. CDBG Grantee Areas, 2016

2016. United States. Department of Housing and Urban Development. This polygon shapefile represents the boundaries of Community Development Block Grant (CDBG) Entitlement Communities and State Administered CDBG gr... United States. Department of Housing and Urban Development.

2. Choice Grantees, 2016

2016. United States. Department of Housing and Urban Development. This polygon shapefile represents the boundaries of Choice grantee recipients as of April 2016. The Seattle Housing Authority was awarded two imple... United States. Department of Housing and Urban Development.

3. ESG Grantee Areas, 2016

2016. United States. Department of Housing and Urban Development. The Emergency Solutions Grants (ESG), formally the Emergency Shelter Grants, program is designed to identify sheltered and unsheltered homeless per... United States. Department of Housing and Urban Development.

4. Fair Market Rents, 2016

2016. United States. Department of Housing and Urban Development. Fair Market Rents (FMRs) are primarily used to determine payment standard amounts for the Housing Choice Voucher program. FMRs are also used to det... United States. Department of Housing and Urban Development.

5. HOME Activity by Tract, 2016

2016. United States. Department of Housing and Urban Development. This polygon shapefile contains Home Investment Partnerships Program (HOME) activity data at the tract level. HOME is a program of federal block gr... United States. Department of Housing and Urban Development.

6. HOME Grantee Areas, 2016

2016. United States. Department of Housing and Urban Development. This polygon shapefile represents the boundaries of HOME Investment Partnership Program (HOME) grantee areas. HOME is authorized under Title II of ... United States. Department of Housing and Urban Development.

7. HOPWA Grantee Areas, 2016

2016. United States. Department of Housing and Urban Development. The Housing Opportunities for Persons with AIDS (HOPWA) program funds are distributed to states and cities by formula allocations and made availabl... United States. Department of Housing and Urban Development.

8. Housing Choice Vouchers by Tract, 2016

2016. United States. Department of Housing and Urban Development. The U.S. Department of Housing and Urban Developments (HUD) Housing Choice Voucher Program (HCVP) is the federal government's major program for ass... United States. Department of Housing and Urban Development.

9. LED for CDBG Grantee Areas, 2016

2016. United States. Department of Housing and Urban Development. The U.S. Census Bureau, Center for Economic Studies, annual Local Employment Dynamics (LED) database provides a summary of job and worker counts an... United States. Department of Housing and Urban Development.

10. LED for CoC Grantee Areas, 2015

2016. United States. Department of Housing and Urban Development. The U.S. Census Bureau, Center for Economic Studies, annual Local Employment Dynamics (LED) database provides a summary of job and worker counts an... United States. Department of Housing and Urban Development.

11. LED for ESG Grantee Areas, 2016

2016. United States. Department of Housing and Urban Development. The U.S. Census Bureau, Center for Economic Studies, annual Local Employment Dynamics (LED) database provides a summary of job and worker counts an... United States. Department of Housing and Urban Development.

12. LED for HOME Grantee Areas, 2016

2016. United States. Department of Housing and Urban Development. The U.S. Census Bureau, Center for Economic Studies, annual Local Employment Dynamics (LED) database provides a summary of job and worker counts an... United States. Department of Housing and Urban Development.

13. LED for HOPWA Grantee Areas, 2016

2016. United States. Department of Housing and Urban Development. The U.S. Census Bureau, Center for Economic Studies, annual Local Employment Dynamics (LED) database provides a summary of job and worker counts an... United States. Department of Housing and Urban Development.

14. LED for UGLG Grantee Areas, 2016

2016. United States. Department of Housing and Urban Development. The U.S. Census Bureau, Center for Economic Studies, annual Local Employment Dynamics (LED) database provides a summary of job and worker counts an... United States. Department of Housing and Urban Development.

15. Underserved Areas, United States, 2016

2016. United States. Department of Housing and Urban Development. This polygon shapefile contains underserved area designations for census tracts in Metropolitan Statistical Areas (MSAs), nonmetropolitan parts of ... United States. Department of Housing and Urban Development.

16. Units of General Local Government, 2016

2016. United States. Department of Housing and Urban Development. The term "Unit of General Local Government" (UGLG) means a city, county, town, parish, village, or other general-purpose political subdivision of a... United States. Department of Housing and Urban Development.

17. Environmental Health Hazard Index, 2015

2015. United States. Department of Housing and Urban Development. The environmental health hazard exposure index summarizes potential exposure to harmful toxins at a neighborhood level. Potential health hazards ex... United States. Department of Housing and Urban Development.

18. Revitalization Areas, 2015

2015. United States. Department of Housing and Urban Development. Revitalization areas are United States Department of Housing and Urban Development (HUD) designated neighborhoods in need of economic and community... United States. Department of Housing and Urban Development.

19. School Proficiency Index, 2015

2015. United States. Department of Housing and Urban Development. The school proficiency index uses school-level data on the performance of 4th grade students on state exams to describe which neighborhoods have hi... United States. Department of Housing and Urban Development.

20. 1:1,000,000-Scale County Boundaries of the United States, 2014

2014. Geological Survey (U.S.). This polygon shapefile contains the county boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands, by showing the counties as ar... Geological Survey (U.S.).

21. 1:1,000,000-Scale National Boundaries of the United States, 2014

2014. Geological Survey (U.S.). This polygon shapefile contains the boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer was created by extract... Geological Survey (U.S.).

22. 1:1,000,000-Scale National Wilderness Preservation System of the United States, 2014

2014. National Atlas of the United States. This polygon shapefile consists of National Wilderness Preservation System areas of 320 acres or more, in the United States, Puerto Rico, and the U... National Atlas of the United States.

23. 1:1,000,000-Scale State Boundaries of the United States, 2014

2014. National Atlas of the United States. This polygon shapefile portrays the state boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer was created by e... National Atlas of the United States.

24. Challenge Grantee Areas, 2014

2014. United States. Department of Housing and Urban Development. This polygon shapefile represents the boundaries of HUDs Community Challenge Grantee communities. These grants aim to reform and reduce barriers to... United States. Department of Housing and Urban Development.

25. CoC Grantee Areas, 2014

2014. United States. Department of Housing and Urban Development. This polygon shapefile represents the boundaries of Continuum of Care (CoC) grantee recipients as of November 14, 2014. Homeless Assistance Program... United States. Department of Housing and Urban Development.

26. County Boundaries with Politicial Limit: United States and Territories, 2014

2014. United States. Bureau of Transportation Statistics. This polygon shapefile contains United States county boundaries with political limits extracted from the U.S. Census Bureau's MAF/TIGER Database (M... United States. Bureau of Transportation Statistics.

27. Empowerment Zones Renewal and Enterprise Communities, 2014

2014. United States. Department of Housing and Urban Development. Introduced in 1993, the Empowerment Zone (EZ), Enterprise Community (EC), and Renewal Community (RC) Initiatives sought to reduce unemployment and ... United States. Department of Housing and Urban Development.

28. Global Map: 1:1,000,000-Scale Political Areas of the United States, 2014

2014. National Atlas of the United States. This polygon shapefile includes Global Map data showing the counties and equivalent entities of the United States, Puerto Rico, and the U.S. Virgin... National Atlas of the United States.

29. NSP Activity by Tract, 2014

2014. United States. Department of Housing and Urban Development. This polygon shapefile data is derived from an extract of HUD CPDs Disaster Recovery Grants Reporting (DRGR) System. Each observation in the raw DR... United States. Department of Housing and Urban Development.

30. NSP2 Grantee Target Areas, 2014

2014. United States. Department of Housing and Urban Development. The American Recovery and Reinvestment Act (ARRA) provided a second round of funds in 2009. The Neighborhood Stabilization Program (NSP) provides g... United States. Department of Housing and Urban Development.

31. NSP3 Grantee Target Areas, 2014

2014. United States. Department of Housing and Urban Development. The present data layer is derived from the areas drawn by Neighborhood Stabilization Program 3 (NSP3) grantees using the NSP3 online map tool. The ... United States. Department of Housing and Urban Development.

32. Promise Zones, 2016

2014. United States. Department of Housing and Urban Development. Promise Zones are high-poverty urban, rural and tribal communities with whom the federal government will partner and invest to create jobs, leverag... United States. Department of Housing and Urban Development.

33. RIF Grantee Areas, 2014

2014. United States. Department of Housing and Urban Development. This polygon shapefile is derived from Rural Innovation Fund (RIF) Grantee submissions that were either described in detail in their applications b... United States. Department of Housing and Urban Development.

34. Sustainable Communities Regional Planning Grantees, 2014

2014. United States. Department of Housing and Urban Development. This polygon shapefile displays the planning areas of the winners of the Sustainable Communities Regional Planning Grant competition for FY2010 and... United States. Department of Housing and Urban Development.

35. U.S. Marine Protected Areas Boundaries: MPA Inventory, 2014

2014. Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA), Office Of National Marine Sanctuaries (ONMS), National Marine Protected Areas Center (MPAC), United States. Office of Ocean and Coastal Resource Management, United States. National Oceanic and Atmospheric Administration, and National Marine Protected Areas Center (U.S.). This polygon shapefile represents the Marine Protected Areas inventory as of October 2014. The MPA Inventory is a comprehensive catalog that provid... National Marine Protected Areas Center (U.S.).

36. Congressional Districts: United States and Territories, 2013-2015

2013. United States. Bureau of Transportation Statistics and Rawson, Peg. This polygon shapefile contains United States congressional district boundaries for 2013-2015. Congressional Districts are the 435 areas from which... United States. Bureau of Transportation Statistics.

37. Difficult Development Areas, 2013

2013. United States. Department of Housing and Urban Development. A Difficult Development Area (DDA) for the Low Income Housing Tax Credit program is an area designated by U.S. Department of Housing and Urban Deve... United States. Department of Housing and Urban Development.

38. Freight Analysis Framework Regions: United States and Territories, 2013

2013. Strocko, Ed and United States. Bureau of Transportation Statistics. This polygon shapefile contains United States freight analysis framework (FAF) regions. FAF domestic region level datasets and products provide inf... United States. Bureau of Transportation Statistics.

39. Level III Ecoregions, Arizona, 2013

2013. US Environmental Protection Agency. Ecoregions denote areas of general similarity in ecosystems and in the type, quality, and quantity of environmental resources. They are designed to... U.S. EPA Office of Research & Development (ORD) - National Health and Environmental Effects Research Laboratory (NHEERL).

40. Level IV Ecoregions, Arizona, 2013

2013. US Environmental Protection Agency. Ecoregions by state were extracted from the seamless national shapefile. Ecoregions denote areas of general similarity in ecosystems and in the typ... U.S. EPA Office of Research and Development (ORD) - National Health and Environmental Effects Research Laboratory (NHEERL).

41. Metropolitan and Micropolitan Statistical Areas: United States and Territories, 2013

2013. United States. Bureau of the Census. Geography Division and United States. Bureau of Transportation Statistics. This polygon shapefile contains areas of metroplitan and micropolitan statistics extracted from the United States Census MAF/TIGER Database (MTDB).... United States. Bureau of Transportation Statistics.

42. United States Census Urbanized Areas, 2010

2013. U.S. Census Bureau. Geography Division and Environmental Systems Research Institute (Redlands, Calif.). This polygon shapefile represents the 2010 Census urban areas in the United States. An urban area comprises a densely settled core of census tracts... Environmental Systems Research Institute (Redlands, Calif.).

43. Urbanized Areas: United States and Territories, 2013

2013. United States. Bureau of Transportation Statistics and United States. Bureau of the Census. Geography Division. This polygon shapefile contains areas of urban land extracted from the United States Census Bureau's MAF/TIGER Database (MTDB). The MTDB represents... United States. Bureau of Transportation Statistics.

44. 1:1,000,000-Scale State Boundaries of the United States, 2012

2012. National Atlas of the United States. This polygon shapefile portrays the state boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer was created by e... National Atlas of the United States.

45. Homeownership Centers, 2012

2012. United States. Department of Housing and Urban Development. This polygon shapefile represents the boundaries of HUD Homeownership Centers (HOCs). HOCs insure single family Federal Housing Administration (FHA... United States. Department of Housing and Urban Development.

46. Homeownership Centers by State, 2012

2012. United States. Department of Housing and Urban Development. This polygon shapefile contains information on HUD Homeownership Centers (HOCs) at the state boundary level. HOCs insure single family Federal Hous... United States. Department of Housing and Urban Development.

47. HUD Regions, 2012

2012. United States. Department of Housing and Urban Development. The United States Department of Housing and Urban Development (HUD) is organized into 10 Regions where each Region is managed by a Regional Adminis... United States. Department of Housing and Urban Development.

48. Hurricane Sandy Damage Estimates by Block Group, 2012

2012. United States. Department of Housing and Urban Development. A FEMA housing inspection for renters is used to assess personal property loss and for owners to assess damage to their home as well as personal pr... United States. Department of Housing and Urban Development.

49. State and Province Areas, 1:50 million (2012)

2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shape file depicts internal, first-order administrative boundaries for states and provinces of Australia, Brazil, Canada and the Unite... North American Cartographic Information Society.

50. State and Province Boundaries with Large Lakes, 1:50 million (2012)

2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts internal, first-order administrative boundaries and polygons with large lakes for all but a few tiny countries. Incl... North American Cartographic Information Society.

51. State Boundaries: United States and Territories, 2012

2012. United States. Bureau of Transportation Statistics and United States. Bureau of the Census. Geography Division. This polygon shapefile depicts state boundaries extending into the ocean with detailed shorelines, including all 50 states plus Puerto Rico, Washin... United States. Bureau of Transportation Statistics.

52. State Boundaries with Political Limit: United States and Territories, 2012

2012. United States. Bureau of Transportation Statistics and United States. Bureau of the Census. Geography Division. This polygon shapefile depicts state boundaries with politicial limit extending into the ocean with detailed shorelines, including all 50 states pl... United States. Bureau of Transportation Statistics.

53. States and Provinces with Scale Ranking, 1:50 million (2012)

2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shape file depicts internal, first-order administrative boundaries for states and provinces of Australia, Brazil, Canada and the Unite... North American Cartographic Information Society.

54. U.S. Parks and Protected Land Areas with Scale Ranking, 1:10 million (2012)

2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts 394 authorized Park Service units in the United States only with scale rankings that are over 100,000 acres. Scale r... North American Cartographic Information Society.

55. U.S. State Boundaries, 1:110 million (2012)

2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts all countries having 10m admin-1 with scale ranks 1 or less. States depicted include internal, first-order administr... North American Cartographic Information Society.

56. U.S. State Boundaries with Large Lakes, 1:110 million (2012)

2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts internal, first-order administrative boundaries and polygons with large lakes for all but a few tiny countries. All ... North American Cartographic Information Society.

57. U.S. States with Scale Ranking, 1:110 million (2012)

2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts all countries having 10m admin-1 with scale ranks 1 or less with scale ranking. States depicted include internal, fi... North American Cartographic Information Society.

58. Administrative Boundaries of National Park System Units, 2011

2011. United States. Bureau of Transportation Statistics. This polygon shapefile depicts service wide boundary set for display and general analysis purposes. This layer is part of the 2014 National Transpo... United States. Bureau of Transportation Statistics.

59. Administrative County Boundaries: United States and Territories, 2011

2011. United States. Bureau of the Census. Geography Division and United States. Bureau of Transportation Statistics. This polygon shapefile contains United States administrative county boundaries extracted from the U.S. Census Bureau's MAF/TIGER Database (MTDB). T... United States. Bureau of Transportation Statistics.

60. Hydrographic Features (Polygons): United States and Territories, 2011

2011. United States. Bureau of the Census. Geography Division and United States. Bureau of Transportation Statistics. This polygon shapefile depicts hydrography coverages that were created using TIGER/Line 2000 shapefile data gathered from ESRI's Geography Network.... United States. Bureau of Transportation Statistics.

61. Metropolitan Planning Boundaries: United States and Territories, 2011

2011. United States. Federal Highway Administration and United States. Bureau of Transportation Statistics. This polygon shapefile contains United States metropolitan planning boundaries. The United States Metropolitan Planning Organization (MPO) Database... United States. Bureau of Transportation Statistics.

62. Military Installations: United States and Territories, 2011

2011. United States. Office of the Deputy Under Secretary of Defense (Installations and Environment) and United States. Bureau of Transportation Statistics. This polygon shapefile depicts sites that were selected from the 2010 Base Structure Report (BSR), a summary of the DoD Real Property Inventory (RP... United States. Bureau of Transportation Statistics.

63. Nonattainment Areas for Sulfur Dioxide Pollution, United States and Territories, 2010

2010. United States. Bureau of Transportation Statistics and Stackhouse, Cecil. This polygon shapefile depicts nonattainment and maintenance areas for the United States and its Territories for the enforcement of the sulfur diox... United States. Bureau of Transportation Statistics.

64. Poverty Census Tracts, 2010

2010. United States. Department of Housing and Urban Development. This polygon shapefile represents 2010 U.S. Census Tracts with a 39% Poverty Rate or Greater. Data Current as of: November 10, 2014.This layer is i... United States. Department of Housing and Urban Development.

65. U.S. Marine Protected Area Boundaries: MPA Inventory, 2010

2010. United States. Office of Ocean and Coastal Resource Management, National Marine Protected Areas Center (U.S.), United States. Department of Commerce, and United States. National Oceanic and Atmospheric Administration. This polygon shapefile represents the Marine Protected Areas inventory as of March 2010. The MPA Inventory is a comprehensive geospatial database t... National Marine Protected Areas Center (U.S.).

66. ACS 5 Year CHAS Data by County, 2008-2012

2008. United States. Department of Housing and Urban Development. This polygon shapefile contains Comprehensive Housing Affordability Strategy (CHAS) data at the county level. The CHAS is derived from the American... United States. Department of Housing and Urban Development.

67. ACS 5 Year CHAS Data by Summary Level 080, 2008-2012

2008. United States. Department of Housing and Urban Development. This polygon shapefile contains Comprehensive Housing Affordability Strategy (CHAS) data at the geographic summary level 080 (State - County - Coun... United States. Department of Housing and Urban Development.

68. ACS 5 Year Demographic Data by Place, 2008-2012

2008. United States. Department of Housing and Urban Development. This polygon shapefile contains 5-year American Community Survey (ACS) estimates of demographic variables at the place level. The TIGER/Line Files ... United States. Department of Housing and Urban Development.

69. ACS 5 Year Housing Data by County, 2008-2012

2008. United States. Department of Housing and Urban Development. 5-year American Community Survey estimates of housing variables (see below) at the county level released in 2012. The TIGER/Line Files are shapefil... United States. Department of Housing and Urban Development.

70. ACS 5 Year Housing Data by Place, 2008-2012

2008. United States. Department of Housing and Urban Development. This polygon shapefile contains 5-year American Community Survey estimates of housing variables (see below) at the place level released in 2012. Th... United States. Department of Housing and Urban Development.

71. ACS 5 Year Housing Data by State, 2008-2012

2008. United States. Department of Housing and Urban Development. 5-year American Community Survey estimates of housing variables (see below) at the state level released in 2012. The TIGER/Line Files are shapefile... United States. Department of Housing and Urban Development.

72. ACS 5 Year Housing Data by Tract, 2008-2012

2008. United States. Department of Housing and Urban Development. 5-year American Community Survey estimates of housing variables (see below) at the tract level released in 2012. The TIGER/Line Files are shapefile... United States. Department of Housing and Urban Development.

73. ACS 5 Year Socioeconomic Data by County, 2008-2012

2008. United States. Department of Housing and Urban Development. 5-year American Community Survey estimates of socioeconomic variables (see below) at the county level released in 2012. The TIGER/Line Files are sh... United States. Department of Housing and Urban Development.

74. ACS 5 Year Socioeconomic Data By Place, 2008-2012

2008. United States. Department of Housing and Urban Development. 5-year American Community Survey estimates of socioeconomic variables (see below) at the place level released in 2012. The TIGER/Line Files are sha... United States. Department of Housing and Urban Development.

75. ACS 5 Year Socioeconomic Data By Tract, 2008-2012

2008. United States. Department of Housing and Urban Development. 5-year American Community Survey estimates of socioeconomic variables at the tract level released in 2012. The TIGER/Line Files are shapefiles and ... United States. Department of Housing and Urban Development.

76. Nonattainment Areas for Lead Pollution: United States and Territories, 2008

2008. United States. Bureau of Transportation Statistics and Stackhouse, Cecil. This polygon shapefile depicts nonattainment and maintenance areas for the United States and its Territories for the enforcement of the lead (Pb) 3... United States. Bureau of Transportation Statistics.

77. Nonattainment Areas for Ozone Pollution: United States and Territories, 2008

2008. United States. Bureau of Transportation Statistics and Stackhouse, Cecil. This polygon shapefile depicts nonattainment and maintenance areas for the United States and its Territories for the enforcement of the ozone (O3) ... United States. Bureau of Transportation Statistics.

78. ACS 5 Year Demographic Data by State, 2007-2011

2007. United States. Department of Housing and Urban Development. This polygon shapefile contains 5-year American Community Survey (ACS) estimates of demographic variables at the state level. The TIGER/Line Files ... United States. Department of Housing and Urban Development.

79. Indian Lands of the United States, 2006

2006. National Atlas of the United States. This polygon shapefile shows Indian lands of the United States. Only areas of 640 acres or more are included. Federally-administered lands within a... National Atlas of the United States.

80. Nonattainment Areas for Patriculate Matter Pollution: United States and Territories, 2006

2006. United States. Bureau of Transportation Statistics and Stackhouse, Cecil. This polygon shapefile depicts nonattainment and maintenance areas for the United States and its Territories for the enforcement of the particulate... United States. Bureau of Transportation Statistics.

81. Easements, Protected Areas Database of the United States, 2005-2016

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

82. Fees and Easements, 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 the United States. The USGS Protected Areas Database of the United S... Gap Analysis Program (U.S.).

83. Fees, Protected Areas Database of the United States, 2005-2016

2005. Gap Analysis Program (U.S.). This polygon shapefile contains PAD-US Fees features for the United States. The USGS Protected Areas Database of the United States (PAD-US) is the ... Gap Analysis Program (U.S.).

84. Political Boundaries, North America, 2004

2004. Instituto Nacional de Estadística, Geografía e Informática (Mexico), Geological Survey (U.S.), and Canada Centre for Remote Sensing. This polygon shapefile depicts the political boundaries of North America, including: international boundaries, provincial boundaries, state or terr... Geological Survey (U.S.).

85. U.S. Counties (Generalized)

2002. Esri. U.S. Counties (Generalized) represents the counties of the United States in the 50 states and the District of Columbia. Esri.

86. Official Protraction Diagram and Leasing Map Boundaries, United States, 2001

2001. United States. Minerals Management Service. This polygon shapefile shows the official protraction diagram (OPD) and leasing map boundaries for the United States, covering areas of the Outer C... Geological Survey (U.S.).

87. United States National Atlas Urbanized Areas, 2001

2001. National Atlas of the United States, Environmental Systems Research Institute (Redlands, Calif.), and Geological Survey (U.S.). This polygon shapefile represents urban areas in the United States derived from the urban areas layer of the Digital Chart of the World (DCW). Data... Environmental Systems Research Institute (Redlands, Calif.).

88. County Boundaries of the United States, 2000

2000. Geological Survey (U.S.). This polygon shapefile portrays the 2000 state and county boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer ... Geological Survey (U.S.).

89. Nonattainment Areas for Ozone Pollution: United States and Territories, 1997

1997. United States. Bureau of Transportation Statistics and Stackhouse, Cecil. This polygon shapefile depicts nonattainment and maintenance areas for the United States and its Territories for the enforcement of the ozone (O3) ... United States. Bureau of Transportation Statistics.

90. Nonattainment Areas for Patriculate Matter Pollution: United States and Territories, 1997

1997. United States. Bureau of Transportation Statistics and Stackhouse, Cecil. This polygon shapefile depicts nonattainment and maintenance areas for the United States and its Territories for the enforcement of the particulate... United States. Bureau of Transportation Statistics.

91. CDBG Activity by Tract, 1996-2016

1996. United States. Department of Housing and Urban Development. The Community Development Block Grant (CDBG) is a federal block grant distributed via formula to states and local governments. States and local gov... United States. Department of Housing and Urban Development.

92. County Boundaries of the United States, 1990

1990. Geological Survey (U.S.). This polygon shapefile portrays the 1990 state and county boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer ... Geological Survey (U.S.).

93. Nonattainment Areas for Carbon Monoxide Pollution: United States and Territories, 1990

1990. United States. Bureau of Transportation Statistics and Stackhouse, Cecil. This polygon shapefile depicts nonattainment and maintenance areas for the United States and its Territories for the enforcement of the carbon mono... United States. Bureau of Transportation Statistics.

94. Nonattainment Areas for Nitrogen Dioxide Pollution: United States and Territories, 1990

1990. United States. Bureau of Transportation Statistics and Stackhouse, Cecil. This polygon shapefile depicts nonattainment and maintenance areas for the United States and its Territories for the enforcement of the nitrogen di... United States. Bureau of Transportation Statistics.

95. Nonattainment Areas for Ozone Pollution: United States and Territories, 1990

1990. United States. Bureau of Transportation Statistics and Stackhouse, Cecil. This polygon shapefile depicts nonattainment and maintenance areas for the United States and its Territories for the enforcement of the ozone (O3)1... United States. Bureau of Transportation Statistics.

96. Nonattainment Areas for Patriculate Matter Pollution: United States and Territories, 1990

1990. United States. Bureau of Transportation Statistics and Stackhouse, Cecil. This polygon shapefile depicts nonattainment and maintenance areas for the United States and its Territories for the enforcement of the particulate... United States. Bureau of Transportation Statistics.

97. Nonattainment Areas for Patriculate Matter Pollution: United States and Territories, 1987

1987. United States. Bureau of Transportation Statistics and Stackhouse, Cecil. This polygon shapefile depicts nonattainment and maintenance areas for the United States and its Territories for the enforcement of the particulate... United States. Bureau of Transportation Statistics.

98. County Boundaries of the United States, 1980

1980. Geological Survey (U.S.). This polygon shapefile contains the 1980 state and county boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer ... Geological Survey (U.S.).

99. Nonattainment Areas for Ozone Pollution: United States and Territories, 1979

1979. United States. Bureau of Transportation Statistics and Stackhouse, Cecil. This polygon shapefile depicts nonattainment and maintenance areas for the United States and its Territories for the enforcement of the ozone (O3) ... United States. Bureau of Transportation Statistics.

100. Nonattainment Areas for Lead Pollution: United States and Territories, 1978

1978. United States. Bureau of Transportation Statistics and Stackhouse, Cecil. This polygon shapefile depicts nonattainment and maintenance areas for the United States and its Territories for the enforcement of the lead (Pb) 3... United States. Bureau of Transportation Statistics.