Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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1.
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100 Year all Flood: Lycoming County, Pennsylvania

2008. The Digital Flood Insurance Rate Map (DFIRM) Database depicts flood risk information and supporting data used to develop the risk data. The primary...

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100 Year Flood: Lycoming County, Pennsylvania

2008. The Digital Flood Insurance Rate Map (DFIRM) Database depicts flood risk information and supporting data used to develop the risk data. The primary...

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100 Year Flood Plain: Cuyahoga County, Ohio

Cuyahoga County Planning Commission's Greenprint GIS features: Trails, Water Features, Wetlands, Open Space, Activity Nodes, Conservation Areas, Ri...

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104 State Water Plan Watersheds: Pennsylvania

1998. Environmental Resources Research Institute. Digitized boundaries of 104 major watersheds defined in the Pennsylvania state water plan. The State Water Plan, originally developed in the 1970s,...

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108th Congressional Districts for the Delaware River Basin Area'

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

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500 Year Flood: Lycoming County, Pennsylvania

2008. The Digital Flood Insurance Rate Map (DFIRM) Database depicts flood risk information and supporting data used to develop the risk data. The primary...

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6-Digit Accounting Units, Hydrologic Units: Indiana

6-Digit Accounting Units, Hydrologic Units: Indiana

2002. United States Geological Survey and Bernardin-Lochmueller & 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...

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Ability to Produce Clean and Abundant Water - version 2: Pennsylvania

2016. Open Space Institute. In the original APCAW (v2) the Open Space Institute (OSI) sought to develop a metric to measure the relative capacity of small scale (HUC12) waters...

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Active Stream Area: Cuyahoga County, Ohio

Cuyahoga County Planning Commission's Greenprint GIS features: Trails, Water Features, Wetlands, Open Space, Activity Nodes, Conservation Areas, Ri...

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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 ...

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Ambient and fixed station network groundwater monitoring point data (1985 - 1998): Pennsylvania

1999. Pennsylvania 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...

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Aquatic Resources Group: Pennsylvania

2006. This raster dataset is a compilation of several data sets that have been combined to create an overall aquatic resources conservation value raster ...

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Aquifer Characteristics Of Glacial Drift: Michigan

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

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Area Fisheries Managers Areas: Pennsylvania

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

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Area Fisheries Managers Offices: Pennsylvania

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

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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 ...

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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...

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

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

2003. Bernardin-Lochmueller & Associates. BACTERIA_MONITORING_EPA_IN is a point shapefile developed by the USEPA BASINS 3.0 program and edited by Bernardin, Lochmueller and Associates. Joi...

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Base Flood Elevation: Carver County, Minnesota

2014. 2010 FEMA DFIRM base flood elevations.

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Base Flow of Michigan Streams: Michigan

2017. 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...

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Base Flow of Michigan Streams: Michigan

2015. 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...

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Bathymetric Contours for Selected Lakes: Indiana

Bathymetric Contours for Selected Lakes: Indiana

2012. Indiana Department of Natural Resources, Division of Fish and Wildlife. LAKE_BATHYMETRY_IDNR_IN.SHP provides bathymetric contours for the following 85 lakes in Indiana, with depths calculated from the average shoreline ...

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Best Fishing Waters - Lakes: Pennsylvania

2018. Pennsylvania Fish and Boat Commission. \u201cPennsylvanias Best Fishing Waters\u201d program identifies proven waters for specific species. This listing includes suggestions for distinct...

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Bike Network and Supporting Datasets: Philadephia, Pennsylvania

2012. Streets Department. Philadelphia bike network and supporting datasets is an experimental dataset that combines various City of Philadelphia departments' datasets to su...

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Bike Racks: Philadephia, Pennsylvania

2012. This dataset is a combination of both bike racks installed in 2008 as a result of Adopt-a-rack program and racks installed by converting parking me...

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Boating Special Regulation Lakes (Polygons): Pennsylvania

2016. Pennsylvania Fish and Boat Commission. This layer contains those lakes within Pennsylvania that have specific special regulations related to boating as defined by the Pennsylvania Fish a...

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Boating Special Regulation Streams: Pennsylvania

2016. Pennsylvania Fish and Boat Commission. This layer contains those streams/rivers within Pennsylvania that have specific special regulations related to boating as defined by the Pennsylvan...

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Boating Special Regulation Waters (Points): Pennsylvania

2016. Pennsylvania Fish and Boat Commission. This layer contains those lakes and streams as point features within Pennsylvania that have specific special regulations related to boating as defi...

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Boundaries Of Exceptional Value Watersheds: Pennsylvania

1996. Environmental Resources Research Institute. Watersheds of exceptional quality streams.

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Boundary of Conneaut Lake: Pennsylvania

1993. Loree Speedy, Western Pennsylvania Conservancy. Boundary of Conneaut Lake, Crawford County, Pennsylvania. This polyline does not include the many docks that extend into the lake.

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Cataloging Units, 8-digit,Hydrologic Units: Indiana

Cataloging Units, 8-digit,Hydrologic Units: Indiana

2002. United States Geological Survey. WATERSHEDS_HUC08_CATALOG_UNITS_USGS_IN is a polygon shapefile showing the boundaries of cataloging units in Indiana. Cataloging units are noted by ...

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Census Block Groups: Philadephia, Pennsylvania

2010. U.S. Department of Commerce, U.S. Census Bureau, Geography Division. The TIGER/Line Files are shapefiles and related database files (.dbf) that are an extract of selected geographic and cartographic information from ...

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Chemung Subbasin

2006. Polygon shapefile of the Chemung Subbasin. This file was created from the 2006 subbasin.shp SRBC dataset.

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Chesapeake Bay basin major watersheds

1996. Penn State ORSER/ERRI. Major watershed boundaries for the Chesapeake Bay basin.

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Chesapeake Bay region state boundaries

1996. Penn State ORSER/ERRI. Boundaries for the states in the Chesapeake Bay region.

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Chesapeake Bay Watershed land use/land cover v105

2000. University of Maryland Regional Earth Science Applications Center (RESAC). A land cover map of the Chesapeake Bay Watershed plus the non-watershed components of counties that intersect the Watershed. The map has 17 cover c...

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Choptank River Heritage Access

2011. Choptank River Heritage Center (CRHC). Public landings and other river access points to the Choptank River and its tributaries, on Maryland's Eastern Shore.

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Choptank River Heritage NRHP (National Register of Historic Places)

2011. Maryland Historical Trust (MHT). This map shows NRHP sites in the Mid-Shore counties of Kent, Queen Anne, Caroline, Talbot, and Dorchester, on Maryland's Eastern Shore. Map data wa...

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Choptank River Heritage Watershed

2010. USDA-NRCS, 1221 College Park Drive, Suite 100, Dover, DE 19904. Shows watershed of the Choptank River and its tributaries, on Maryland's Eastern Shore.

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Class A Wild Trout Streams - points: Pennsylvania

2018. Pennsylvania Fish and Boat Commission. Class A streams are streams that support a population of wild (natural reproduction) trout of sufficient size and abundance to support a long-term ...

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Class A Wild Trout Streams: Pennsylvania

2018. Pennsylvania Fish and Boat Commission. Class A streams are streams that support a population of wild (natural reproduction) trout of sufficient size and abundance to support a long-term ...

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Coastal Floodplains: Pennsylvania

1996. Penn State ORSER/ERRI. Coastal floodplains from LLRWS data.

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Coastal Zone Management Areas: Michigan

2016. A detailed digital geographic representation of the coastal zone management boundary applied under the Coastal Zone Management Act of 1972 (P.L. 92...

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Coastal Zones: Pennsylvania

2004. Pennsylvania Department of Environmental Protection. The Coastal Zone Boundary delineates Pennsylvania's two coastal zones: the Delaware Estuary Coastal Zone located in southeastern Pennsylvania, and ...

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Contours 10ft: Philadephia, Pennsylvania

2004. City of Philadelphia Water Department - Information Systems Technology. Planimetric Coverage containing the delineation of topographic contours at ten foot intervals. Annotation of Contour Line elevations exists. Annota...

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Council Districts: Philadephia, Pennsylvania

1990. City Planning Commission (PCPC) Department - GIS Division. District boundaries of municipal legislators.

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County Ditches: Summit County, Ohio

2014. Dataset created and maintained by the Summit County Engineer showing ditches within the Engineer's jurisdiction.

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County Seats for the Delaware River Basin Area: Pennsylvania

2004. County Seats (county capitals) for the Delaware River Basin Area.

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Creeks Streams: Franklin County, Ohio

Franklin County Auditor - Local Government Information Model - Reference Data Feature Class - Water (Stream Lines) This layer contains line feature...

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Cultural Assessment of the Chesapeake Bay Watershed

2000. Multiple TIFF and layer files pertaining to Cultural Assessment of the Chesapeake Bay watershed Growth and development not only threaten lands of h...