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2016. Placer County Geographic Information Systems. This polygon shapefile represents lakes of Placer County California. Data was derived from 1:24000 USGS digital line graphs.. This layer is part of... Placer County Geographic Information Systems.
2020. Placer County Geographic Information Systems. This polygon shapefile represents vernal pool complexes in west Placer County, California. The complexes were originally digitized from earial phot... Placer County Geographic Information Systems.