Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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1. 108th Congressional Districts for the Delaware River Basin Area: Delaware River Basin, 2004

2004. Delaware River Basin Commission (DRBC). 108th Congressional Districts for the Delaware River Basin Area. These were compiled from the 4 basin states and combined into one layer.

2. 6-Digit Accounting Units, Hydrologic Units: Indiana, 2002

2002. (creation): US Geological Survey and (compilation): Bernardin, Lochmueller and Associates. WATERSHEDS_HUC06_USGS_IN is a polygon shapefile showing the boundaries of accounting units (HUA) in Indiana. Accounting units are noted by a 6-digi...

3. Agricultural Water Quality Certification Program (MAWQCP) Pilot and Expanded Areas: Minnesota

2015. Minnesota Department of Agriculture. The Minnesota Agricultural Water Quality Certification Program (MAWQCP) is a voluntary opportunity for farmers and agricultural landowners to take ...

4. Allegheny County - Floodplain: Pennsylvania, 2000

2000. Allegheny County Division of Computer Services Geographic Information Systems Group. In an effort to expedite the permit review process for Water Obstruction and Encroachment Applications, the Pennsylvania Department of Environmenta...

5. Allegheny County - Hydrology Areas: Pennsylvania, 2016

2015. Allegheny County Division of Computer Services Geographic Information Systems Group. Rivers, Lakes, Ponds, Reservoirs, Hidden Lakes, Reservoirs or Ponds: If greater than 25 feet and less than 30 feet wide, is captured as a double li...

6. Allegheny County - Hydrology Lines: Pennsylvania, 2016

2015. Allegheny County Division of Computer Services Geographic Information Systems Group. Rivers, Lakes, Ponds, Reservoirs, Hidden Lakes, Reservoirs or Ponds: If greater than 25 feet and less than 30 feet wide, is captured as a double li...

7. Allegheny County - NWI (National Wetlands Inventory): Pennsylvania, 2000

2000. Allegheny County Division of Computer Services Geographic Information Systems Group. NWI (National Wetlands Inventory) digital data files are records of wetlands location and classification as defined by the U.S. Fish & Wildlife Ser...

8. Allegheny County - Watersheds: Pennsylvania, 2000

2000. Allegheny County Division of Computer Services Geographic Information Systems Group. Polygons marking borders of watersheds in Allegheny county.

9. Ambient and Fixed Station Network (FSN) Groundwater Monitoring Point Data (1985 - 1998): Pennsylvania, 1999

1985. PA Department of Environmental Protection. This coverage represents the point locations and data for 1,106 groundwater quality monitoring points sampled under the PA DEP Fixed Station Networ...

10. Aquatic Resources Group: Pennsylvania, 2006

1992. Natural Lands Trust with input data from PA DEP. This raster dataset is a compilation of several data sets that have been combined to create an overall aquatic resources conservation value raster ...

11. Aquifer Characteristics Of Glacial Drift: Michigan

2015. State of Michigan. This data set was derived from the 1981 publication of the Hydrological Atlas of Michigan plate 26. Three plates of the Aquifer Characteristics of ...

12. Aquifer Characteristics Of Glacial Drift: Michigan

2040. State of Michigan. This shape file was derived from the 1981 publication of the Hydrological Atlas of Michigan plate 26. Three plates of the Aquifer Characteristics o...

13. Area Fisheries Managers Areas: Pennsylvania, 2012

2012. Pennsylvania Fish and Boat Commission. Coverage areas of Pennsylvania Fish and Boat Commission Area Fisheries Managers (AFM).

14. Area Fisheries Managers Offices: Pennsylvania, 2012

2012. Pennsylvania Fish and Boat Commission. Office locations of Pennsylvania Fish and Boat Commission Area Fisheries Managers (AFM).

15. Assessed Waters, 2016 (Proposed): Minnesota

2017. Minnesota Pollution Control Agency. This is a proposed set of the waterbodies assessed by MPCA's surface water quality assessment process for the 2016 303(d)/305(b) integrated report ...

16. Average Annual Groundwater Recharge: Metro Twin Cities, Minnesota

2009. Barr Engineering Company. This dataset contains long-term average (1975-2003) annual recharge estimates for the seven-county Twin Cities metropolitan area. Values are in inc...

17. Bacteria Monitoring Stations and Data Summaries, Derived from EPA BASINS 3: Indiana, 2003

2003. (compiler and editor): Bernardin, Lochmueller and Associates and (creator): U. S. Environmental Protection Agency. BACTERIA_MONITORING_EPA_IN is a point shapefile developed by the USEPA BASINS 3.0 program and edited by Bernardin, Lochmueller and Associates. Join...

18. Base Flood Elevation: Carver County, Minnesota

2014. CarverGIS. 2010 FEMA DFIRM base flood elevations.

19. Base Flow of Michigan Streams: Michigan

2037. State of Michigan. This data set provides estimates of the ground-water contribution to stream flow, frequently referred to as base flow, in cubic feet per second. Th...

20. Base Flow of Michigan Streams: Michigan

2015. State of Michigan. This data set provides estimates of the ground-water contribution to stream flow, frequently referred to as base flow, in cubic feet per second. Th...