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purdue

5. Abandoned Sand and Pits: Indiana

2003. Indiana Geological Survey. SAND_GRAVEL_PITS_ABANDONED_IN is a point shapefile that shows the locations of abandoned sand and gravel pits in Indiana. It is derived from an unp...
purdue

6. Active Mines in the Danville Coal Member: Indiana

2010. Indiana Geological Survey. COAL_MINE_ACTIVE_DANVILLE_IN_2010 is a polygon-based ESRI ArcGIS shapefile that shows the location and extent of active surface and underground coa...
purdue

7. Active Mines in the Hymera Coal Member: Indiana

2014. Indiana Geological Survey. COAL_MINE_ACTIVE_HYMERA_IN_2014 is a polygon-based ESRI ArcGIS shapefile that shows the location and extent of active surface and underground coal ...
indiana

15. Bartholomew County

1911. Shows roads and railroads. Detached from: Soil survey of Bartholomew County / E.J. Quinn. In 36th Annual report of Department of Geology and Natura...
michigan-state

16. Base Flow Of Michigan Streams: Michigan

2017. 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...
michigan-state

17. 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...
iowa

18. Bedrock Exposures in Iowa

2018. This polygon data coverage was derived from the Iowa county soil surveys that were digitized by the Iowa Cooperative Soil Survey (ICSS), which incl...