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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. 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.

17. 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.

18. Water Supply Watersheds: Santa Cruz County, California, 2015

2015. Garcia, Paul and Price, Matt. This polygon shapefile depicts water supply watersheds in the County of Santa Cruz, California as defined in General Plan adopted May 24, 1994. Thi... County of Santa Cruz Information Services Department.

19. Watershed Drainage Basins: Santa Cruz County, California, 2015

2015. Garcia, Paul and Price, Matt. This polygon shapefile depicts watershed drainage basins in the County of Santa Cruz, California, including number codes to identify individual wat... County of Santa Cruz Information Services Department.

20. Watersheds: Santa Cruz County, California, 2015

2015. Garcia, Paul and Price, Matt. This polygon shapefile depicts watersheds in the County of Santa Cruz, California, including number codes to identify individual watersheds. This c... County of Santa Cruz Information Services Department.

21. United States National Atlas Water Feature Areas, 2012

2012. National Atlas of the United States and Environmental Systems Research Institute (Redlands, Calif.). This polygon shapefile represents the water feature areas (for example, glaciers, lakes, reservoirs, and swamps) of the United States at 1:1,000,00... Environmental Systems Research Institute (Redlands, Calif.).

22. 1:1,000,000-Scale Waterbodies and Wetlands of the United States, 2014

2014. Geological Survey (U.S.). This polygon shapefile represents waterbodies and wetlands of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer was produc... Geological Survey (U.S.).

23. Global Map: 1:1,000,000-Scale Inland Water Areas of the United States, 2014

2014. Geological Survey (U.S.). This polygon shapefile includes Global Map data showing waterbodies and wetlands of the United States, Puerto Rico, and the U.S. Virgin Islands. Th... Geological Survey (U.S.).

24. Hydrography, North America, 2004

2004. Instituto Nacional de Estadística, Geografía e Informática (Mexico), Geological Survey (U.S.), and Canada Centre for Remote Sensing. This polygon shapefile shows areas of coastline, and other hydrographic features in North America. This data set was produced using digital files s... Geological Survey (U.S.).

25. Mill Creek Wetlands: Humboldt County, California, 2015

2015. von Dohlen, Jerry. This polygon shapefile depicts boundaries of the Mill Creek Wetlands in the County of Humboldt, California. The McKinleyville Community Plan adopte... Humboldt County Planning and Building Department.

26. Bodies of Water: Sacramento County, California, 2015

2015. Sacramento County GIS. This polygon shapefile depicts boundaries of bodies of water in the County of Sacramento, California, including canals, dams, the Delta, ponds, res... Sacramento County GIS.

27. Dike Failure Flooding Hazard Zones: Santa Clara County, California, 2015

2015. Santa Clara County (Calif.). Planning Office. This polygon shapefile depicts dike failure flooding hazard zones in the unincorporated areas of the County of Santa Clara, California. This layer ... Santa Clara County (Calif.). Planning Office.

28. Coastal Wetlands, Northeast United States, 1977-2014

1977. U.S. Fish and Wildlife Service. This polygon shapefile represents the extent, approximate location and type of wetlands and deepwater habitats in the Northeastern United States be... U.S. Fish and Wildlife Service.

29. Hydrographic Features (Polygons): United States and Territories, 2011

2011. United States. Bureau of the Census. Geography Division and United States. Bureau of Transportation Statistics. This polygon shapefile depicts hydrography coverages that were created using TIGER/Line 2000 shapefile data gathered from ESRI's Geography Network.... United States. Bureau of Transportation Statistics.

30. Hydro (Lakes) Douglas County, Wisconsin, 2014

2014. Douglas County Land Records Department. This polygon data layer represents lake hydrography for Douglas County, Wisconsin in 2014. [Douglas County Lakes/Waterbodies and Lakes Classificati...

31. Hydro (Polygon and Line) Eau Claire County, Wisconsin, 2017

2017. Eau Claire County Land Information Division. These polygon and line data layers represent hydrography for Eau Claire County, Wisconsin in 2017. They are feature classes within the geodatabase,...

32. Hydro (Polygon and Line) Monroe County, Wisconsin, YE2016

2016. Monroe County Land Information Office. These polygon and line data layers represent hydrography for Monroe County, Wisconsin at year-end 2016. They are feature classes within the geodata...

33. Hydro (Polygon and Line) Polk County, Wisconsin, 2017

2017. Polk County Department of Land Information. These polygon and line data layers represent hydrography for Polk County, Wisconsin in 2017. They are feature classes within the geodatabase, 'Polk...

34. Hydro (Polygon and Line) Ashland County, Wisconsin, 2017

2017. Ashland County Register of Deeds. These polygon data layers represent hydrography for Ashland County, Wisconsin in 2017. They are feature classes within the geodatabase, Ashland_Hyd...

35. Hydro (Polygon and Line) Bayfield County, Wisconsin, 2010

2010. Bayfield County Land Records Department. These polygon and line data layers represent hydrography for Bayfield County, Wisconsin in 2010. They are feature classes within the geodatabase Ba...

36. Hydro (Polygon and Line) Brown County, Wisconsin, YE2016

2016. Brown County Land Information Office. These polygon and line data layers represent hydrography for Brown County, Wisconsin at year-end 2016. They are feature classes within the geodatab...

37. Hydro (Polygon and Line) Burnett County Wisconsin,, 2017

2017. Burnett County Land Information/County Surveyor. These polygon and line data layers represent hydrography for Burnett County, Wisconsin in 2017. They are feature classes within the geodatabase, Bu...

38. Hydro (Polygon and Line) Calumet County, Wisconsin, 2017

2017. Calumet County Land Information/GIS. These polygon and line data layers represent hydrography for Calumet County, Wisconsin in 2017. They are feature classes within the geodatabase Cal...

39. Hydro (Polygon and Line) Chippewa County, Wisconsin, YE2016

2016. Chippewa County Land Records Department. These polygon and line data layers represent hydrography for Chippewa County, Wisconsin in YE2016. It is a feature class within the geodatabase, Ch...

40. Hydro (Polygon and Line) Columbia County, Wisconsin, 2017

2017. Columbia County Land Information Office. These polygon and line data layers represent hydrography for Columbia County, Wisconsin in 2017. They are feature classes within the geodatabase, C...

41. Hydro (Polygon and Line) Dane County, Wisconsin, YE2016

2016. Dane County Land Information Office. These polygon data layers represent hydrography for Dane County, Wisconsin in YE2016. They are feature classes within the geodatabase, Dane_Hydro_Y...

42. Hydro (Polygon and Line) Door County, Wisconsin, 2017

2017. Door County Land Information Office. These polygon and line data layers represent hydrography for Door County, Wisconsin in 2017. They are feature classes within the geodatabase, Door_...

43. Hydro (Polygon and Line) Dunn County, Wisconsin, 2017

2017. Dunn County Land Information. These polygon and line data layers represent hydrography for Dunn County, Wisconsin in 2017. They are feature classes within the geodatabase Dunn_H...

44. Hydro (Polygon and Line) Florence County, Wisconsin, YE2016

2016. Florence County Land Information Department. These polygon and line data layers represent hydrography for Florence County, Wisconsin in year end 2016. They are feature classes within the geoda...

45. Hydro (Polygon and Line) Fond du Lac County, Wisconsin, 2017

2017. Fond du Lac County Land Information Department. This polygon data layer represents hydrography for Fond du Lac County, Wisconsin in 2017. It is a feature class within the geodatabase Fond_du_Lac_...

46. Hydro (Polygon and Line) Green County, Wisconsin, 2017

2017. Green County. These polygon and line data layers represent hydrography for Green County, Wisconsin in 2017. They are feature classes within the geodatabase, Gree...

47. Hydro (Polygon and Line) Jackson County, Wisconsin, 2017

2017. Jackson County Land Information Department. These polygon and line data layers represent hydrography for Jackson County, Wisconsin in 2017. It is a feature class within the geodatabase, Jacks...

48. Hydro (Polygon and Line) Jefferson County, Wisconsin, 2005

2005. Jefferson County Land Information Office. These polygon and line data layers represent hydrography for Jefferson County, Wisconsin in 2005. They are feature classes within the geodatabase, ...

49. Hydro (Polygon and Line) Kenosha County, Wisconsin, 2017

2017. Kenosha County Planning and Development Department. These polygon and line data layers represent hydrography for Kenosha County, Wisconsin in 2017. They are feature classes within the geodatabase Ken...

50. Hydro (Polygon and Line) La Crosse County, Wisconsin, YE2016

2016. La Crosse County Land Records GIS Department. These polygon and line data layers represent hydrography for La Crosse County, Wisconsin at year-end 2016. They are feature classes within the geod...