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2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polygon shapefile depicts natural and artificial lakes in North America only ranked by relative importance, coordinating with river ranking. I... North American Cartographic Information Society.
2005 and 2006. Uganda Bureau of Statistics. This polygon shapefile shows the main open water bodies in Uganda for 2005-2006. These data are intended for researchers, students, policy makers a... Uganda Bureau of Statistics.
2000. California. Metropolitan Transportation Commission. This polygon shapefile contains boundaries for the Pacific Ocean and other inland coastal waterbodies , such as bays, harbors, and jetties, in Cali... California. Metropolitan Transportation Commission.
2017. Sierra Nevada Conservancy. This polygon shapefile contains the boundary of the Watershed Improvement Program's Pit watershed.
2009. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This polygon shapefile depicts a dissolve that was run on the planning watersheds for the nine county San Francisco Bay Area Region, California. Pl... Bay Area Open Space Council.
2011. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This polygon shapefile depicts pond areas data compiled from the National Wetlands Inventory (NWI) and the National Hydrography Dataset (NHD). The ... Bay Area Open Space Council.
2017. Jasper Ridge Biological Preserve (Agency). This polygon shapefile represents perennial ponds located southwest of the Jasper Ridge Biological Preserve (JRBP). The JRBP is located in Woodside... Jasper Ridge Biological Preserve (Agency).
2015. Garcia, Paul and Price, Matt. This polygon shapefile contains port districts 1 and 2 in the County of Santa Cruz, California. The port districts qualify as special districts and... County of Santa Cruz Information Services Department.
2009. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This polygon shapefile depicts a watershed integrity cluster analysis at the CalWater 2.2.1 Planning Watershed (PWS) level performed by mapping fac... Bay Area Open Space Council.
2003. Geological Survey (U.S.). Water Resources Division. Wisconsin District. This polygon shapefile contains the shallowest principal aquifers of the conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islan... Geological Survey (U.S.).