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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. 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.

3. 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.).

4. 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.).

5. 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.

6. 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.

7. 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...

8. 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.

9. 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.

10. 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.