Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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81. Drinking Water Supply Management Areas: Minnesota

2017. Minnesota Department of Health. These sets of data include the drinking water supply management area boundaries and the vulnerability levels within each management area in Minneso...

82. Eight-digit Subbasin Watershed Boundaries: Indiana, 2011

2011. Sally L. Letsinger (digital compiler), U.S. Geological Survey (compiler), U.S. Department of Agriculture, Natural Resources Conservation Service (compiler), and Indiana Geological Survey (digital compiler). The following is extracted from USDA, NRCS metadata -- This data set, part of the Watershed Boundary data set (WBD), is a complete digital hydrolog...

83. Emergency Response Areas (ERA): Minnesota

2015. Minnesota Department of Health - Environmental Health Division - Source Water Protection Unit. Emergency response area (ERA) is the Minnesota Department of Health (MDH) approved surface and subsurface area surrounding a public water supply we...

84. Empowerment Zones: Philadephia, Pennsylvania

2012. City Planning Commission (PCPC) Department - GIS Division. Commercial/industrial zones with special amenities.

85. Environmental Data: Ramsey County, Minnesota

2016. Ramsey County. This file geodatabase contains datasets that include soil survey (SSURGO) and open water.

86. Erie Tributaries Open Fishing - Access Points: Pennsylvania

2016. This layer contains the locations of fishing access points that have been identified by the Pennsylvania Fish and Boat Commission and are public or...

87. Erie Tributaries: Pennsylvania

2013. This layer contains flowing waters from the Pennsylvania Fish and Boat Commission Fisheries Resource Database located around the Lake Erie Steehhea...

88. Estimated Groundwater Recharge: Michigan

2015. This data set provides an estimate of annual groundwater recharge for each public land survey section in Michigan.

89. Explore PA trails - Water Trails: Pennsylvania

2017. Pennsylvania Fish and Boat Commission. Water trails designated by the Pennsylvania Fish and Boat Commission in Pennsylvania. Visit http://sites.state.pa.us/PA_Exec/Fish_Boat/watertrails/...

90. Facilities in the National Pollutant Discharge Elimination System: Indiana, 2013

2013. Indiana Department of Environmental Management, Office of Water Quality. NPDES_FACILITY_IDEM_IN is a point shapefile that contains National Pollutant Discharge Elimination System (NPDES) Program Facilities in Indiana, pr...

91. Federal Emergency Management Agency (FEMA) Floodplain: Clay County, Minnesota, 2014

2014. Clay County GIS. FEMA floodplain for Clay County.

92. FEMA Digital Flood Rate Insurance Maps (DFIRM): Minnesota

2017. Federal Emergency Management Agency (FEMA). The Federal Emergency Managment Agency and the MNDNR produce Digital Flood Insurance Rate Maps (DFIRM) for selected counties in the state. These ma...

93. FIRM Floodplains and Flood Hazard Zones: Indiana, 2014

2014. Indiana Department of Natural Resources. This polygon layer represents floodplains created from FEMA Flood Rate Insurance Maps (FIRM). The layer can be symbolized to show the following flo...

94. Fish Consumption Advisories for the Susquehanna River Basin: Pennsylvania

2011. Susquehanna River Basin Commission (SRBC). Polyline shapefile representing streams in the Susquehanna River Basin that have a fish consumption advisory listing due to PCBs and/or mercury. Th...

95. Fish Species Occurrence Database: Pennsylvania

1998. Pennsylvania Fish and Boat Commission. Historical listing (1975-1995) of Pennsylvania fish species occurrences, as documented at 10,780 sampling points on streams and rivers throughout t...

96. Fishing Special Regulation Lakes (Points): Pennsylvania

2017. Pennsylvania Fish and Boat Commission. This layer contains the lakes that are part of the Pennsylvania Fish and Boat Commission Fisheries Resource Database. These include lakes that are ...

97. Fishing Special Regulation Lakes (Polygons): Pennsylvania

2017. Pennsylvania Fish and Boat Commission. This layer contains the lakes that are part of the Pennsylvania Fish and Boat Commission Fisheries Resource Database. These include lakes that are ...

98. Fishing Special Regulation Streams: Pennsylvania

2017. Pennsylvania Fish and Boat Commission. This layer contains flowing waters from the Pennsylvania Fish and Boat Commission Fisheries Resource Database that are under fishing special regula...

99. Flood Depths: Iowa

2018. Each zip file contains raster data for a specific HUC 08.

100. Flood Inundation Mapping for Susquehanna River in Harrisburg, Pennsylvania - 11-ft to 37-ft

2013. United States Army Corps of Engineers (USACE). This layer was created as part of a Flood Inundation Map Library developed for display within the NOAA National Weather Service's Advanced Hydrolog...