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1. Low flood zones of the Pre-Urban Land Relief, Paris, 1967
Costa, Laurent. This polygon shapefile shows the areas of Paris considered floodplains as defined in the Geological Atlas of 1967 by Vincent Krier. In this map, lo... Analyse Diachronique de l'espace Urbain Parisien: Approche Geomatique.
2. Vasserot Hydrography (1810-1836)
1810. Rouet, Paul. This polygon shapefile represents hydrographic features contained in Philibert Vasserot's Atlas of Paris (1810-1836). The ALPAGE programme aims to ... Analyse Diachronique de l'espace Urbain Parisien: Approche Geomatique.
3. 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.
4. Bodies of Water: San Francisco Bay Area, California, 2011
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 bodies of water in the nine county San Francisco Bay Area Region, California, onto which other thematic data can be ... Bay Area Open Space Council.
5. FEMA Flood Zones: San Francisco Bay Area, California, 2001
2001. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This polygon shapefile depicts Q3 Flood Data features of FEMA's Flood Insurance Rate Map (FIRM) product for the nine county San Francisco Bay Area ... Bay Area Open Space Council.
6. Hydrologic Area Watersheds: San Francisco Bay Area, California, 2009
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 hydrologic areas for the nine county San Francisco Bay Area Region, California. Hydro... Bay Area Open Space Council.
7. Hydrologic Sub Area Watersheds: San Francisco Bay Area, California, 2009
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 Hydrologic Sub Areas for the nine county San Francisco Bay Area Region, California. H... Bay Area Open Space Council.
8. Hydrologic Unit Watersheds: San Francisco Bay Area, California, 2009
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 hydrologic unit watersheds for the nine county San Francisco Bay Area Region, California. Hydrologic Units are those... Bay Area Open Space Council.
9. Planning Watersheds: San Francisco Bay Area, California, 2009
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.
10. Ponds Gap Analysis: San Francisco Bay Area, California, 2011
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.
11. Riparian Vegetation in Watersheds: San Francisco Bay Area, California, 2009
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 was performed by mapping... Bay Area Open Space Council.
12. Streams Gap Analysis: San Francisco Bay Area, California, 2011
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 a stream gap analysis done by landscape unit to determine the length of Priority 1 and 2 streams in each landscape u... Bay Area Open Space Council.
13. Wetlands: San Francisco Bay Area, California, 2003
2003. Bay Area Open Space Council, Conservation Lands Network, GreenInfo Network (Firm), San Francisco Bay Area Upland Habitat Goals Project, and San Francisco Estuary Invasive Spartina Project . This polygon shapefile depicts the extent, approximate location and type of wetlands habitats in the nine county San Francisco Bay Area Region, Cal... Bay Area Open Space Council.
14. Lakes, Reservoirs and Ponds (Polygons): California, 2012
2012. California. Fisheries Programs Branch, Geological Survey (U.S.), and California. Biogeographic Data Branch. This polygon shapefile is an update of California lake, reservoir, and pond layers as assembled by the California Department of Fish and Game (DFG)... California. Department of Fish and Game. Marine Resources Region.
15. Census Hydrographic Features, 2000 - San Francisco Bay Area, California
2000. California. Metropolitan Transportation Commission. This polygon shapefile displays the hydrographic features throughout the San Francisco Bay Area of California. This category includes shorelines of... California. Metropolitan Transportation Commission.
16. Digital Update Unit Regions: Russian River Basin, California, 1999-2002
1999. Circuit Rider Productions. This dataset contains regions representing the domains of the digital update units from National Hydrography Data and features were selected based ... Circuit Rider Productions.
17. Riparian Extent: Alexander Valley Reach, Russian River, California, 2000
2000. Circuit Rider Productions. This polygon shapefile shows the riparian extent of the Russian River main stem, Alexander Valley Reach, Sonoma County, California in 2000. The Ale... Circuit Rider Productions.
18. Waterbody Reach: Russian River Basin, California, 1999-2002
1999. Circuit Rider Productions. The polygon features were selected based on their spatial location within the extent of the Russian River basin and contains reach codes for networ... Circuit Rider Productions.
19. Least Disturbed Watersheds: Santa Cruz County, California, 2015
2015. Garcia, Paul and Price, Matt. This polygon shapefile represents the least disturbed watersheds in the County of Santa Cruz, California as defined in General Plan adopted May 24,... County of Santa Cruz Information Services Department.
20. Reservoir Protection Areas: Santa Cruz County, California, 2015
2015. Garcia, Paul and Price, Matt. This polygon shapefile represents reservoir protections areas in the County of Santa Cruz, California as defined in the Conservation and Open Space... County of Santa Cruz Information Services Department.