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1. 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.

2. Abundance Estimates of the Pacific Salmon Conservation Assessment Database, 1978-2008

1978. Pinsky, Malin L., Springmeyer, Dane B., Goslin, Matthew N., and Augerot, Xanthippe. This dataset is a visualization of abundance estimates for six species of Pacific salmon (Oncorhynchus spp.): Chinook, Chum, Pink, Steelhead, Socke... Stanford Digital Repository.

3. Active Management and Irrigated Nonexpansion Areas, Arizona, 2002

2002. Arizona. Department of Water Resources. The dataset depicts both active management areas (AMAs) and Irrigated Nonexpansion Areas (INAs) in Arizona. Arizona Department of Water Resources.

4. 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.

5. Agricultural Preserves: Santa Clara County, California, 2015

2015. Santa Clara County (Calif.). Planning Office. This polygon shapefile depicts 10 agricultural preserves located in unincorporated areas of the County of Santa Clara, California. According to Cal... Santa Clara County (Calif.). Planning Office.

6. Air Pollution Control District, Monterey County, California, 2015

2015. Monterey County (Calif.). This polygon shapefile represents the boundary of the Air Pollution Control District within Monterey County, California. This layer is part of a co... Monterey County (Calif.).

7. Anadromous Stream Restoration Projects (Polygons): Russian River, California, 1981-2002

1981. Circuit Rider Productions. This polygon shapefile includes habitat improvement projects, research projects (surveys and studies of streams, roads, watersheds), education proj... Circuit Rider Productions.

8. Anchorages, Northeast United States, 2013

2013. Baldwin Group. This polygon shapefile represents anchorages in the Northeastern United States. The areas described are designated as special anchorage areas for p... Coastal Services Center (U.S.).

9. Annual Growth of Biomass for Vegetation Outside of Croplands: Kenya, 2002

2002. This polygon shapefile depicts the annual growth of biomass outside of croplands as well as the theoretically harvestable biomass yield outside of ... World Resources Institute.

10. Annual Particulate Matter (Annual PM-2.5) Non-Attainment Designations in Region 9, 2011

2011. United States. Environmental Protection Agency, Region IX. This polygon shapefile contains designated areas for particulate matter < 2.5 microns, according to the annual National Ambient Air Quality Stan... United States. Environmental Protection Agency, Region IX.

11. Aquaculture, Northeast United States, 2014

2013. SeaPlan. This polygon shapefile represents aquaculture regions in the northeastern United States. Aquaculture in the northeast region is a diverse, vibrant ... Northeast Ocean Data.

12. Archaeological Sensitivity, Monterey County, California, 2015

2015. Monterey County (Calif.). This polygon shapefile contains areas of archaeological sensitivity within Monterey County, California. Archaeological sensitivity zones are those ... Monterey County (Calif.).

13. Area Boundaries of the Armstrong Redwoods State Reserve Habitat Assessment, California, 1997-1998

1997. Circuit Rider Productions. This polygon shapefile represents the boundaries of the 1997-1998 Armstrong Redwoods State Reserve Habitat Assessment created by Circuit Rider Prod... Circuit Rider Productions.

14. Areas of High Potential for Large Scale Solar Facilities, Arizona, 2014

2014. University of Arizona. Cooperative Extension. The REOA model approach used to generate this dataset incorporates two main objectives (physical and economic) and a range of sub-objectives to det... University of Arizona. Cooperative Extension.

15. Areas of High Potential for Small Scale Solar Facilities, Arizona, 2014

2014. University of Arizona. Cooperative Extension. The REOA model approach used to generate this dataset incorporates two main objectives (physical and economic) and a range of sub-objectives to det... University of Arizona. Cooperative Extension.

16. Areas of Land Subsidence, Arizona, 2014

2014. Arizona. Department of Water Resources. The Arizona Department of Water Resources Geophysics/Surveying Unit has been collecting and processing Interferometric Synthetic Aperature Radar (I... Arizona Department of Water Resources.

17. Average Annual Precipitation Zones: Russian River Basin, California, 1900-1960

1900. Circuit Rider Productions. This poygon shapefile represents Isohyetal lines of equal average rainfall for the Russian River basin in California. These data were derived from ... Circuit Rider Productions.

18. Average Water Consumption by Livestock and Wildlife by Subdrainage Area, Kenya, 1994-1996

1994. World Resources Institute. This polygon shapefile represents the average water consumption of livestock and wildlife by sub-basin in Kenya for 1994-96. The greatest water dem... World Resources Institute.

19. AZGS Earth Fissures Study Area, Arizona, 2015

2015. Arizona Geological Survey. This polygon shapefile displays the extents of the earth fissures study areas. A blank area on the map does not guarantee earth fissures are not pr... Arizona Geological Survey.

20. Bailey's Ecoregions and Subregions of the United States, 2004

2004. United States. Forest Service. This polygon shapefile is commonly called Bailey's ecoregions and shows ecosystems of regional extent in the United States, Puerto Rico, and the U.... National Atlas of the United States.

21. Bakersfield Sphere of Influence for Bakersfield, CA, 2006

2006. City of Bakersfield Sphere of Influence was adopted in January 2006. This dataset was created to aid in mapping applications to visualize the City'... Bakersfield (Calif.). Office of City Manager.

22. Bathymetric Contours for Selected Lakes: Indiana

2012. Indiana Department of Natural Resources, Division of Fish and Wildlife. LAKE_BATHYMETRY_IDNR_IN.SHP provides bathymetric contours for the following 85 lakes in Indiana, with depths calculated from the average shoreline ...

23. Baylands Boundary: San Francisco Bay Area, California, 1999

1999. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This polygon shapefile represents the edge of the baylands boundary, as published in the San Francisco Estuary Institute's Eco Atlas released in 19... Bay Area Open Space Council.

24. Baylands Risk Zone Natural Habitat Corte Madera California 2011

2011. MarinMap. Boundaries of a natural habitat risk zone in the San Francisco Bay near Corte Madera, California. San Rafael (Calif.). County Of Marin.

25. Bear Management Zones Wisconsin, 2008

2017. Wisconsin Department of Natural Resources. This data set is a polygon region features shapefile representing Wisconsin DNR Bear Management Zones as region features. Bear Management Zones ind...

26. Biologic Resource Areas: Humboldt County, California, 2015

2015. von Dohlen, Jerry. This polygon shapefile depicts boundaries for Biologic Resource Areas in the County of Humboldt, California. Biologic Resources are designated due ... Humboldt County Planning and Building Department.

27. Biomass Resource Potential in the United States, Fall 2014

2015. Hart Energy Publishing. This polygon dataset contains estimates of biomass resource potential for the lower 48 states of the United States. The following feedstock categor... Hart Energy Publishing.

28. Biomass Resource Potential in the United States, Spring 2013

2013. Hart Energy Publishing. This polygon dataset contains estimates of biomass resource potential for the lower 48 states of the United States. The following feedstock categor... Hart Energy Publishing.

29. Biomass Resource Potential in the United States, Summer 2014

2014. Hart Energy Publishing. This polygon dataset contains estimates of biomass resource potential for the lower 48 states of the United States. The following feedstock categor... Hart Energy Publishing.

30. Biotic Communities, Arizona, 1993

1993. Arizona. State Land Department. This dataset adapted from the map provided "Biotic Communities of the Southwest", August 1980 by David E. Brown and Charles H. Lowe. The datasest s... Arizona State Land Department.

31. BOEM Lease Areas, 2013

2013. United States. National Oceanic and Atmospheric Administration. This polygon shapefile represents Board of Ocean Energy Management (BOEM) lease areas in the Northeastern United States. The Cape Wind Energy Proje... United States. National Oceanic and Atmospheric Administration.

32. Breeding Birds (Blocks): San Francisco Bay Area, California, 2002

2002. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This polygon shapefile depicts field observations of where each bird species nests within the nine county San Francisco Bay Area Region, California... Bay Area Open Space Council.

33. Brush Mouse Range (Reverse Polygon Mask): 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 the range map the Brush Mouse (Peromyscus boylii) that were pulled out and then reversed so the polygon represents a... Bay Area Open Space Council.

34. Buffalo Distribution: Kenya, 1994-1996

1994. International Livestock Research Institute. This polygon shapefile portrays the spatial distribution of buffalo numbers observed in Kenya from 1994 to 1996. Wildlife counts came from a rangel... International Livestock Research Institute.

35. California Air Basins, 2004

2004. California. Air Resources Board. Planning and Technical Support Division and Stephen P. Teale Data Center (Calif.). . The California Air Basins layer is a polygon shapefile coverage representing the 15 California air basins, as defined in state statute and regulati... California. Air Resources Board.

36. California Air Districts, 2004

2004. California Air Resources Board. Planning and Technical Support Division and Stephen P. Teale Data Center (Calif.). . The California Air Districts layer is a polygon shapefile coverage representing the California air pollution control and air quality management dis... California. Air Resources Board.

37. California Coastal Commission Appeal Areas, Monterey County, California, 2015

2015. Monterey County (Calif.). This polygon shapefile contains areas within Monterey County where appeals can be submitted to the California Coastal Commission (CCC). The Califor... Monterey County (Calif.).

38. California Coastal Marshes, 2000

2000. California. Department of Fish and Game. Marine Resources Region. This polygon shapefile was derived from the National Oceanic and Atmospheric Administration Coastal Change Analysis Program's Southern Coastal Cali... California. Department of Fish and Game. Marine Resources Region.

39. 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.

40. 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...

41. California Department of Fish and Game Lands: Russian River Basin, 2000

2000. Circuit Rider Productions. This polygon shapefile represents the portion of the lands administered and/or owned by DFG layer within the Russian River basin. These data were d... Circuit Rider Productions.

42. California Protected Areas Database Department of Defense Areas 2009

2011. CalAtlas. Areas in California owned by the United States Department of Defence within California Protected Areas. Oakland (Calif.). Greeninfo.org.

43. California Urban Lands: Farmland Mapping and Monitoring Project, 2006

2006. Bay Area Open Space Council and California. Farmland Mapping and Monitoring Program. This polygon shapefile depicts urban land coverage for the nine county San Francisco Bay Area Region for 2004-2006. The data comes directly from th... Bay Area Open Space Council.

44. Canada National Parks 2002

2000. DMTI Spatial Inc. Canada National Parks represents the national parks and national park reserves within Canada. The national parks are based on the National Atlas I... Environmental Systems Research Institute, Inc. (ESRI).

45. Canada Provincial Parks 2002

2000. DMTI Spatial Inc. Canada Provincial Parks represents the provincial parks (historical, provincial, and wilderness) within Canada. The provincial parks are based on ... Environmental Systems Research Institute, Inc. (ESRI).

46. Canada VMap1, Library 16: Coast Area

1945. VMap1 is a vector digital topographic reference product developed by Natural Resources Canada (NRCan) and The Department of National Defence (DND).... Canada Centre for Mapping and Earth Observation.

47. Canada VMap1, Library 16: Disposal Areas

1945. VMap1 is a vector digital topographic reference product developed by Natural Resources Canada (NRCan) and The Department of National Defence (DND).... Canada Centre for Mapping and Earth Observation.

48. Canada VMap1, Library 17: Coast Area

1945. VMap1 is a vector digital topographic reference product developed by Natural Resources Canada (NRCan) and The Department of National Defence (DND).... Canada Centre for Mapping and Earth Observation.

49. Canada VMap1, Library 18: Coast Area

1945. VMap1 is a vector digital topographic reference product developed by Natural Resources Canada (NRCan) and The Department of National Defence (DND).... Canada Centre for Mapping and Earth Observation.

50. Canada VMap1, Library 18: Disposal Areas

1945. VMap1 is a vector digital topographic reference product developed by Natural Resources Canada (NRCan) and The Department of National Defence (DND).... Canada Centre for Mapping and Earth Observation.