Year: 1998 / Resource Class: Datasets - GeoBlacklight Search Results

Start Over Year 1998 Resource Class Datasets

1. 1:250k Digital Raster Graphic - Collars Removed: Minnesota

1998. U.S. Geological Survey and Minnesota DNR. Bounding box of state area and raster download. A digital raster graphic (DRG) is a scanned image of an U.S. Geological Survey (USGS) standard ser... Minnesota Department of Natural Resources (DNR).

2. Glacial Boundaries: Illinois, 1998

1998. Illinois State Geological Survey. This record points to an the top level of an Esri Rest Web Map Service. It does not specify a layer.. Glacial boundary lines representing the exte... Illinois State Geological Survey.