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1. 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.).

2. 1:1,000,000-Scale County Boundary Lines 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. This layer was derived from t... Geological Survey (U.S.).

3. 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.).

4. 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.

5. 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.

6. Administrative Division Lines, New Zealand, 2014

2014. International Steering Committee for Global Mapping and New Zealand. National Topographic/Hydrographic Authority. This line shapefile represents administrative divisions lines in New Zealand. The Global Map New Zealand version 2 airport and road were developed ... International Steering Committee for Global Mapping.

7. Administrative Divisions, New Zealand, 2014

2014. International Steering Committee for Global Mapping and New Zealand. National Topographic/Hydrographic Authority. This polygon shapefile represents administrative areas New Zealand. The Global Map New Zealand version 2 airport and road were developed from the T... International Steering Committee for Global Mapping.

8. Baltimore City Public School System Elementary School Boundaries: Baltimore, Maryland

2014. City of Baltimore, Maryland. Catchment zones for the public elementary schools in the Baltimore City Public School System.

9. Baltimore City Public School System Middle School Boundaries: Baltimore, Maryland

2014. City of Baltimore, Maryland. Catchment Zone Boundaries for Middle Schools in the Baltimore City Public School System.

10. BPD Districts: Baltimore, Maryland

2014. City of Baltimore, Maryland. BPD Districts.

11. BPD Posts: Baltimore, Maryland

2014. City of Baltimore, Maryland. BPD Posts.

12. Census Demographics 2010-2012: Baltimore, Maryland

2014. City of Baltimore, Maryland. Most indicators throughout Vital Signs are created by acquiring and analyzing data collected from governmental agencies for some public administrat...

13. 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.

14. China county map, 2014

2014. All China Marketing Research Co., Ltd. Map of administrative divisions in China, at the county level and above, for the year 2014.

15. City Boundaries: San Mateo County, California, 2015

2014. County of San Mateo Information Services Department. This polygon shapefile depicts the administrative boundaries for the cities over which the County of San Mateo government holds authority. This lay... County of San Mateo Information Services Department.

16. 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.

17. Council Districts: Detroit, Michigan, 2014

2014. Detroit City Council district boundaries.

18. 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.

19. Department of Natural Resources Regions: Wisconsin, 2014

2014. Wisconsin Department of Natural Resources. DNR administrative regions were established circa 1997 as part of the agency's re-organization at that time. These units may be superseded in subse...

20. District map of India, 2011

2014. ML Infomap Pvt. Ltd. Digital map of district boundaries in India, 2011. Boundaries of all districts are shown linked to Primary Census Abstract 2011.

21. Election Data: Wisconsin, 2014

2014. Wisconsin Legislative Technology Services (LTSB). This polygon data layer represents election data by ward for Wisconsin in 2014. These municipal wards were created by grouping Census 2010 populati...

22. Election Results: Minnesota, 2014

2014. Legislative Coordinating Commission. Minnesota voting precincts used in the 2014 State General election, including for each precinct: election district attributes, voting statistics, a...

23. 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.

24. FHA SFO REO Properties for Sale 2014

2014. United States. Department of Housing and Urban Development. The U.S. Department of Housing and Urban Development's Real Estate Owned (REO) properties are a result of the Federal Housing Administration (FHA) ... United States. Department of Housing and Urban Development.

25. 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.

26. Global Map: 1:1,000,000-Scale Political Boundary Lines of the United States, 2014

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

27. Indian State Assembly Constituencies Boundaries Post-2008

2014. Nasrin Patel, GISMAP IN. Boundaries of State Assembly and Parliamentary constituencies as of 2008.

28. Indian State Assembly Constituencies Boundaries Pre-2008

2014. Nasrin Patel, GISMAP IN. Boundaries of State Assembly and Parliamentary constituencies as of 2008.

29. LandScan 2014 World Country Boundaries

2014. Oak Ridge National Laboratory. This raster dataset is a grid of world countries. These are the standard country boundaries. Also included is a DBF (countries.dbf) giving the coun... Oak Ridge National Laboratory.

30. LiDAR Contours (5 ft): Santa Clara County, California, 2014

2014. Santa Clara Valley Water District (Calif.). This polygon shapefile depicts 5 foot elevation LiDAR grid for the County of Santa Clara, California. LiDAR, which stands for Light Detection and R... Santa Clara Valley Water District (Calif.).

31. Metropolitan Planning Organizations, California, 2014

2014. California. Department of Transportation. This polygon shapefile contains the legislative boundaries of Metropolitan Planning Organizations (MPOs) in California as of April 2014, provided b... California. Department of Transportation.

32. Monthly Mean Temperature, India, 2014

2014. ML InfoMap (Firm). This polygon shapefile conaints the monthly mean tempertaure (in Celsius degrees) for districts in India during 2014. Temperature statistics (compu... ML InfoMap (Firm).

33. Monthly Rainfall, India, 2014

2014. ML InfoMap (Firm). This polygon shapefile conaints monthly rainfall totals (in millimeters) for districts in India during 2014. Rainfall data (computed daily) from 20... ML InfoMap (Firm).

34. National Register Historic Places (Polygons), Maine, Massachusetts and Rhode Island, 2014

2014. Nature Conservancy (U.S.). This point shapefile contains site locations from the National Register of Historic Places in Maine, Massachusetts and Rhode Island within 10km of ... Northeast Regional Ocean Council.

35. 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.

36. 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.

37. 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.

38. Parcel Boundaries: Solano County, California, 2014

2014. County of San Mateo Information Services Department. This polygon shapefile depicts boundaries of parcels over which the County of Solano, California held authority in 2014. A Parcel is a piece of rea... County of San Mateo Information Services Department.

39. Precincts (Voting Districts): Minnesota, 2014

2014. Legislative Coordinating Commission. Voting precincts for the State of Minnesota, those to be used in the 2014 State General Election. Includes election district attributes for each pr...

40. Prefecture Boundary Lines, Togo, 2014

2014. International Steering Committee for Global Mapping and Togo. Direction General of Cartography. This line shapefile represents prefectures in Togo. The Global Map Togo version 2 was developed based on Global Map Specifications version 2.1. The... International Steering Committee for Global Mapping.

41. Prefectures, Togo, 2014

2014. International Steering Committee for Global Mapping and Togo. Direction General of Cartography. This polygon shapefile represents prefectures in Togo. The Global Map Togo version 2 was developed based on Global Map Specifications version 2.1. ... International Steering Committee for Global Mapping.

42. 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.

43. Public Lands Survey System, Townships and Ranges in the United States, Summer 2014

2014. Hart Energy Publishing. This polygon dataset represents the Public Land Survey System data at the township level. This layer is from the summer quarter update of 2014.This... Hart Energy Publishing.

44. Rextag GIS Zones, Summer 2014

2014. Hart Energy Publishing. This polygon shapefile contains the boundaries of GIS zones referenced in other energy-related datasets produced by Hart Energy Publishing (Rextag)... Hart Energy Publishing.

45. 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.

46. Shoreline Boundary between Antarctic Grounding Line and the Ocean, 2014 (Crude-resolution)

2014. Wessel, Paul and Smith, Walter H. F. This polygon shapefile represents the shoreline boundary between the Antarctic grounding line and the Antarctic Ocean at crude resolution. Crude re... United States. National Geospatial-Intelligence Agency.

47. Shoreline Boundary between Antarctic Grounding Line and the Ocean, 2014 (Full-resolution)

2014. Wessel, Paul and Smith, Walter H. F. This polygon shapefile represents the shoreline boundary between the Antarctic grounding line and the Antarctic Ocean at full (original) resolution... United States. National Geospatial-Intelligence Agency.

48. Shoreline Boundary between Antarctic Grounding Line and the Ocean, 2014 (High-resolution)

2014. Wessel, Paul and Smith, Walter H. F. This polygon shapefile represents the shoreline boundary between the Antarctic grounding line and the Antarctic Ocean at high resolution. High repr... United States. National Geospatial-Intelligence Agency.

49. Shoreline Boundary between Antarctic Grounding Line and the Ocean, 2014 (Intermediate-resolution)

2014. Wessel, Paul and Smith, Walter H. F. This polygon shapefile represents the shoreline boundary between the Antarctic grounding line and the Antarctic Ocean at intermediate resolution. I... United States. National Geospatial-Intelligence Agency.

50. Shoreline Boundary between Antarctic Grounding Line and the Ocean, 2014 (Low-resolution)

2014. Wessel, Paul and Smith, Walter H. F. This polygon shapefile represents the shoreline boundary between the Antarctic grounding line and the Antarctic Ocean at low resolution. Low repres... United States. National Geospatial-Intelligence Agency.

51. Shoreline Boundary between Antarctic Ice and the Ocean, 2014 (Crude-resolution)

2014. Wessel, Paul and Smith, Walter H. F. This polygon shapefile represents the shoreline boundary between the Antarctic ice and the Antarctic Ocean at crude resolution. Crude represents an... United States. National Geospatial-Intelligence Agency.

52. Shoreline Boundary between Antarctic Ice and the Ocean, 2014 (Full-resolution)

2014. Wessel, Paul and Smith, Walter H. F. This polygon shapefile represents the shoreline boundary between the Antarctic ice and the Antarctic Ocean at full resolution. GSHHG data are made ... United States. National Geospatial-Intelligence Agency.

53. Shoreline Boundary between Antarctic Ice and the Ocean, 2014 (High-resolution)

2014. Wessel, Paul and Smith, Walter H. F. This polygon shapefile represents the shoreline boundary between the Antarctic ice and the Antarctic Ocean at high resolution. High represents an 8... United States. National Geospatial-Intelligence Agency.

54. Shoreline Boundary between Antarctic Ice and the Ocean, 2014 (Intermediate-resolution)

2014. Wessel, Paul and Smith, Walter H. F. This polygon shapefile represents the shoreline boundary between the Antarctic ice and the Antarctic Ocean at intermediate resolution. Intermediate... United States. National Geospatial-Intelligence Agency.

55. Shoreline Boundary between Antarctic Ice and the Ocean, 2014 (Low-resolution)

2014. Wessel, Paul and Smith, Walter H. F. This polygon shapefile represents the shoreline boundary between the Antarctic ice and the Antarctic Ocean at low resolution. Low represents an 80 ... United States. National Geospatial-Intelligence Agency.

56. Small Watersheds: Pennsylvania

2014. Environmental Resources Research Institute Eastern Pennsylvania Coalition for Abandoned Mine Reclamation (EPCAMR). Boundaries of 9,895 watersheds in Pennsylvania indicated in the Pennsylvania gazeteer of streams. These boundaries enclose catchment areas for name...

57. State map of India, 2011

2014. ML Infomap Pvt. Ltd. Digital map of state boundaries in India, 2011. Boundaries of all states are shown linked to Primary Census Abstract 2011.

58. Subdistrict map of India, 2011

2014. ML Infomap Pvt. Ltd. Digital map of subdistrict boundaries in India, 2011. Boundaries of all subdistricts are shown linked to Primary Census Abstract 2011.

59. 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.

60. The Public Land Survey System of the Cadastral National Spatial Data Infrastructure: Indiana

2014. Indiana Geological Survey. PLSS_CadNSDI_BLM_IN.GDB is is an Esri file geodatabse of the Public Land Survery System (PLSS) for Indiana, as provided by personnel of the Bureau ...

61. Top Natural Gas Fields, United States, Summer 2014

2014. Hart Energy Publishing. This polygon shapefile contains locations of natual gas fields in the United States. including existing Meter Points (receipt and delivery points).... Hart Energy Publishing.

62. United States 113th Congressional Districts, 2014

2014. Environmental Systems Research Institute (Redlands, Calif.) and U.S. Census Bureau, Geography Division. This polygon shapefile represents the political boundaries for the 113th United States congressional districts. The official membership is current ... Environmental Systems Research Institute (Redlands, Calif.).

63. United States 113th Senate Districts, 2014

2014. Environmental Systems Research Institute (Redlands, Calif.) and U.S. Census Bureau, Geography Division. This polygon shapefile represents the political boundaries for the 113th United States Senate. The official membership is current as of August 18, ... Environmental Systems Research Institute (Redlands, Calif.).

64. 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.).

65. U.S. National Atlas Federal Land Areas, 2014

2014. National Atlas of the United States and the United States Geological Survey and Esri. U.S. National Atlas Federal Land Areas represents the federally owned or administered land areas (for example, National Wildlife Refuges, National ... Esri.

66. Village Map of Andhra Pradesh, 2011

2014. ML Infomap Pvt. Ltd. Digital map of village boundaries in Andhra Pradesh, 2011. Boundaries of all villages are shown linked to Primary Census Abstract 2011. Additionall...

67. Village map of Assam, 2011

2014. ML Infomap Pvt. Ltd. Digital map of village boundaries in Assam, 2011. Boundaries of all villages are shown linked to Primary Census Abstract 2011. Additionally, the Vi...

68. Village Map of Bihar, 2011

2014. ML Infomap Pvt. Ltd. Digital map of village boundaries in Bihar, 2011. Boundaries of all villages are shown linked to Primary Census Abstract 2011. Additionally, the Vi...

69. Village Map of Chandigarh, 2011

2014. ML Infomap Pvt. Ltd. Digital map of village boundaries in Chandigarh, 2011. Boundaries of all villages are shown linked to Primary Census Abstract 2011. Additionally, t...

70. Village Map of Chhattisgarh, 2011

2014. ML Infomap Pvt. Ltd. Digital map of village boundaries in Chhattisgarh, 2011. Boundaries of all villages are shown linked to Primary Census Abstract 2011. Additionally,...

71. Village Map of Dadra and Nagar Haveli, 2011

2014. ML Infomap Pvt. Ltd. Digital map of village boundaries in Dadra and Nagar Haveli, 2011. Boundaries of all villages are shown linked to Primary Census Abstract 2011. Add...

72. Village Map of Daman and Diu, 2011

2014. ML Infomap Pvt. Ltd. Digital map of village boundaries in Daman and Diu, 2011. Boundaries of all villages are shown linked to Primary Census Abstract 2011. Additionally...

73. Village Map of Delhi, 2011

2014. ML Infomap Pvt. Ltd. Digital map of village boundaries in Delhi, 2011. Boundaries of all villages are shown linked to Primary Census Abstract 2011. Additionally, the Vi...

74. Village Map of Goa, 2011

2014. ML Infomap Pvt. Ltd. Digital map of village boundaries in Goa, 2011. Boundaries of all villages are shown linked to Primary Census Abstract 2011. Additionally, the Vill...

75. Village Map of Gujarat, 2011

2014. ML Infomap Pvt. Ltd. Digital map of village boundaries in Gujarat, 2011. Boundaries of all villages are shown linked to Primary Census Abstract 2011. Additionally, the ...

76. Village Map of Haryana, 2011

2014. ML Infomap Pvt. Ltd. Digital map of village boundaries in Haryana, 2011. Boundaries of all villages are shown linked to Primary Census Abstract 2011. Additionally, the ...

77. Village Map of Himachal Pradesh, 2011

2014. ML Infomap Pvt. Ltd. Digital map of village boundaries in Himachal Pradesh, 2011. Boundaries of all villages are shown linked to Primary Census Abstract 2011. Additiona...

78. Village Map of Jammu and Kashmir, 2011

2014. ML Infomap Pvt. Ltd. Digital map of village boundaries in Jammu and Kashmir, 2011. Boundaries of all villages are shown linked to Primary Census Abstract 2011. Addition...

79. Village Map of Jharkhand, 2011

2014. ML Infomap Pvt. Ltd. Digital map of village boundaries in Jharkhand, 2011. Boundaries of all villages are shown linked to Primary Census Abstract 2011. Additionally, th...

80. Village map of Karnataka, 2011

2014. ML Infomap Pvt. Ltd. Digital map of village boundaries in Karnataka, 2011. Boundaries of all villages are shown linked to Primary Census Abstract 2011. Additionally, th...

81. Village map of Kerala, 2011

2014. ML Infomap Pvt. Ltd. Digital map of village boundaries in Kerala, 2011. Boundaries of all villages are shown linked to Primary Census Abstract 2011. Additionally, the V...

82. Village map of Madhya Pradesh, 2011

2014. ML Infomap Pvt. Ltd. Digital map of village boundaries in Madhya Pradesh, 2011. Boundaries of all villages are shown linked to Primary Census Abstract 2011. Additionall...

83. Village map of Maharashtra, 2011

2014. ML Infomap Pvt. Ltd. Digital map of village boundaries in Maharashtra, 2011. Boundaries of all villages are shown linked to Primary Census Abstract 2011. Additionally, ...

84. Village map of Manipur, 2011

2014. ML Infomap Pvt. Ltd. Digital map of village boundaries in Manipur, 2011. Boundaries of all villages are shown linked to Primary Census Abstract 2011. Additionally, the ...

85. Village map of Odisha, 2011

2014. ML Infomap Pvt. Ltd. Digital map of village boundaries in Odisha, 2011. Boundaries of all villages are shown linked to Primary Census Abstract 2011. Additionally, the V...

86. Village map of Puducherry, 2011

2014. ML Infomap Pvt. Ltd. Digital map of village boundaries in Puducherry, 2011. Boundaries of all villages are shown linked to Primary Census Abstract 2011. Additionally, t...

87. Village map of Punjab, India, 2011

2014. ML Infomap Pvt. Ltd. Digital map of village boundaries in Punjab, India, 2011. Boundaries of all villages are shown linked to Primary Census Abstract 2011. Additionally...

88. Village map of Rajasthan, 2011

2014. ML Infomap Pvt. Ltd. Digital map of village boundaries in Rajasthan, 2011. Boundaries of all villages are shown linked to Primary Census Abstract 2011. Additionally, th...

89. Village map of Sikkim, 2011

2014. ML Infomap Pvt. Ltd. Digital map of village boundaries in Sikkim, 2011. Boundaries of all villages are shown linked to Primary Census Abstract 2011. Additionally, the V...

90. Village map of Tamil Nadu, 2011

2014. ML Infomap Pvt. Ltd. Digital map of village boundaries in Tamil Nadu, 2011. Boundaries of all villages are shown linked to Primary Census Abstract 2011. Additionally, t...

91. Village map of Tripura, 2011

2014. ML Infomap Pvt. Ltd. Digital map of village boundaries in Tripura, 2011. Boundaries of all villages are shown linked to Primary Census Abstract 2011. Additionally, the ...

92. Village map of Uttar Pradesh, 2011

2014. ML Infomap Pvt. Ltd. Digital map of village boundaries in Uttar Pradesh, 2011. Boundaries of all villages are shown linked to Primary Census Abstract 2011. Additionally...

93. Village Map of Uttarakhand, 2011

2014. ML Infomap Pvt. Ltd. Digital map of village boundaries in Uttarakhand, 2011. Boundaries of all villages are shown linked to Primary Census Abstract 2011. Additionally, ...

94. Village map of West Bengal, 2011

2014. ML Infomap Pvt. Ltd. Digital map of village boundaries in West Bengal, 2011. Boundaries of all villages are shown linked to Primary Census Abstract 2011. Additionally, ...

95. Voter Precincts: Solano County, California, 2014

2014. Armstrong, Jake H. This polygon shapefile depicts Voter Precincts for the County of Solano, California. This dataset displays Voting Precincts as defined for the 2014... Solano County Department of Information Technology.

96. Voting Districts: Allegheny County, Pennsylvania

2014. Allegheny County Division of Computer Services Geographic Information Systems Group. Data was created to portray the boundaries of the Voting Districts in Allegheny County.

97. Wastewater Districts, Monterey County, California, 2015

2014. Monterey County (Calif.). This polygon shapefile depicts wastewater districts in Monterey County, California. This layer is part of a collection of GIS data for Monterey Cou... Monterey County (Calif.).

98. Williamson Act Parcels: Humboldt County, California, 2014

2014. von Dohlen, Jerry. This polygon shapefile depicts boundaries of Williamson Act Parcels for ranches in the unincorporated areas of the County of Humboldt, California. ... Humboldt County Planning and Building Department.

99. World Continents, 2014

2014. Environmental Systems Research Institute (Redlands, Calif.). This line shapefile represents the boundaries for the continents of the world.World Continents provides a base map layer of the continents for the ... Environmental Systems Research Institute (Redlands, Calif.).

100. World Shoreline Boundary between Island Ponds and Islands, 2014 (Full-resolution)

2014. Wessel, Paul and Smith, Walter H. F. This polygon shapefile represents the boundary between island ponds and islands at low resolution. GSHHG data are made available at 5 resolutions, ... United States. National Geospatial-Intelligence Agency.