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Filters: Tags: {"type":"theme"} (X) > Categories: Physical Item (X) > partyWithName: Indiana Geological & Water Survey (IGWS) Archives and Collections (X) > partyWithName: Indiana Geological & Water Survey (X)

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Original National Coal Resources Data System (NCRDS) and prior confidential 7.5-minute quadrangle maps, filed alphabetically for Indiana
Original National Coal Resources Data System (NCRDS) paper data forms compiled by the Indiana Geological Survey and submitted to the U.S. Geologial Survey. Maps are filed by 7.5-minute quadrangle name in 6 boxes; destruction date on boxes: 3/2021
Original USGS/National Coal Resources Data System (NCRDS) verification printouts 7.5-minute quadrangles, filed alphabetically for Indiana
Original National Coal Resources Data System (NCRDS) paper data forms that were in original files but records not in current digital Indiana Geological Survey Coal Stratigraphic Database, Report of Progress 39, 2012; Quality data Indiana Geological Survey Coal Quality Database, Report of Progress 40, 2012.
Original National Coal Resources Data System (NCRDS) and prior confidential mylar 7.5-minute quadrangles sent to USGS, filed alphabetically for Indiana
    map background search result map search result map NCRDS Data Forms by Quadrangle for Indiana NCRDS Forms Not in Coal Stratigraphic Database for Indiana NCRDS/Prior Confidential 7.5-minute quadrangles for Indiana USGS/NCRDS Verification Printouts 7.5-minute quadrangles for Indiana NCRDS/Prior Confidential 7.5-minute quadrangle mylars for Indiana NCRDS Data Forms by Quadrangle for Indiana NCRDS Forms Not in Coal Stratigraphic Database for Indiana NCRDS/Prior Confidential 7.5-minute quadrangles for Indiana USGS/NCRDS Verification Printouts 7.5-minute quadrangles for Indiana NCRDS/Prior Confidential 7.5-minute quadrangle mylars for Indiana