Author: Powell, Richard L. / Publisher: Indiana Geological Survey / Bounding Box: -40.000931 39.999015 -39.999064 40.000987 - NYU Spatial Data Repository Search Results

Start Over Author Powell, Richard L. Publisher Indiana Geological Survey Bounding Box -40.000931 39.999015 -39.999064 40.000987

1. Distribution of sinkholes and sinking-stream basins with locations of cave openings in Central Southern Indiana

1997. Frushour, Samuel S., Harper, Denver, Kersey, Rea Williams, and Powell, Richard L. This map data was compiled in 1997 from information available at the time, but was unpublished until until 2002; the map does not reflect any chang... Indiana Geological Survey.

2. Map of southwestern Indiana showing areas strip mined for coal

1972. Powell, Richard L. Scale approximately 1:380,000 Compiled by Richard L. Powell ... Indiana Geological Survey.