DANVILLE COAL - ELEV. (SPECIAL REPORT SERIES) --
Elevation of the Danville Coal, 1994 (1:126,720)
Shows contours that define elevation ranges (feet above sea level) of the Danville Coal Member. Contour interval is 20 feet.
Digitized from unpublished work maps that were the basis of the following published maps: (1) Indiana Geological Survey Special Report 34, fig. 25. (2) Indiana Geological Survey Special Report 43, fig. 28. (3) Indiana Geological Survey Special Report 50, fig. 21.
FGDC metadata: COAL_DANVILLE_ELEVATION_IN