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21. Groundwater Elevation Change, California, Spring 2012 to Spring 2013

2012. California. Department of Water Resources. This point shapefile represents changes in groundwater levels in California. These data represent groundwater changes between spring 2012 and sprin... California. Department of Water Resources.

22. Groundwater Elevation Change, California, Spring 2012 to Spring 2015

2012. California. Department of Water Resources. This point shapefile represents changes in groundwater levels in California. These data represent groundwater changes between spring 2012 and sprin... California. Department of Water Resources.

23. CCTV Cameras, San Francisco Bay Area, California, 2012

2012. California. Metropolitan Transportation Commission. This point shapefile contains the locations of closed circuit television cameras (CCTV) Cameras in the San Francisco Bay Area. This layer is part o... California. Metropolitan Transportation Commission.

24. Aids to Navigation, Northeast United States, 2012

2012. I.M. Systems Group. This point shapefile represents marine aids to navigation in the Northeastern United States. The Coast Guard maintains systems of marine aids to na... Coastal Services Center (U.S.).

25. Energy Facilities Located 80km from the Northeast U.S. Coast, 2012

2012. United States. Department of Commerce, United States. National Oceanic and Atmospheric Administration, United States. National Ocean Service, and Coastal Services Center (U.S.). This point shapefile depicts the locations of facilities that generate electricity derived from the Environmental Protection Agency (EPA) Emissions... Coastal Services Center (U.S.).

26. Unexploded Ordnance Locations, Northeast United States, 2012

2012. I.M. Systems Group. Unexploded ordnance (or UXOs/UXBs, sometimes identified as UO) are explosive weapons (bombs, bullets, shells, grenades, land mines, naval mines, et... Coastal Services Center (U.S.).

27. New York City Cool Roofs, 2012

2012. Digital Social Science Center (DSSC), Columbia University Libraries and New York City Department of Buildings. New York City Cool Roofs, 2012 is a point theme representing CoolRoof locations in New York as of 2012. NYC Cool Roofs is a City initiative that u... DSSC.

28. New York City Voting Poll Sites, 2012

2012. Digital Social Science Center (DSSC), Columbia University Libraries and New York Board of Elections. New York City Voting Poll Sites, 2012 is a point theme representing polling locations in New York City as of 2012. DSSC.

29. Airports of the United States, 2012

2012. Geological Survey (U.S.). This point shapefile includes airports in the United States, Puerto Rico and the U.S. Virgin Islands. The data were derived from an extract of the ... Geological Survey (U.S.).

30. Administrative Divisions (Points), Bahrain, 2012

2012. International Steering Committee for Global Mapping and Bahrain. Survey and Land Registration Bureau. Topographic Survey Directorate. This point shapefile represents administrative divisions in Bahrain. The Global Map Bahrain version 2 was developed from the Topo 250 data 2012 at ... International Steering Committee for Global Mapping.