Author: Ault, Curtis H. / File Format: JPEG / Bounding Box: -40.000931 39.999015 -39.999064 40.000987 - NYU Spatial Data Repository Search Results

Start Over Author Ault, Curtis H. File Format JPEG Bounding Box -40.000931 39.999015 -39.999064 40.000987

1. Locations of clay and shale operations in Indiana

1968. Ault, Curtis H. and Webb, William M. Includes generalized columnar section, 'Sectionized township,' and index of producers of clay and clay products. 'Base modified from U.S. Geologica... Indiana Geological Survey.

2. Map of Posey County, Indiana, showing structure on the Springfield coal member of the Petersburg formation (Pennsylvanian)

1997. Ault, Curtis H. Relief shown by contours.; Coordinates printed at top and lower margin are incorrect.; Includes index map, text, and sectionized township diagram. ... Indiana University, Indiana Geological Survey.