1997. United States Geological Survey and Bernardin-Lochmueller & Associates. USGS National Atlas metadata states "This data set portrays the National Agricultural Statistics Service, U.S. Department of Agriculture's 1997 Ce... State of Indiana.
1996. Bernardin-Lochmueller & Associates. The shapefile Places_points_usgs_in is a point shapefile showing the locations and attribute values of populated places extracted from the Geograph... State of Indiana.