Bedrock geology of the Paducah 1⁰x2⁰ CUSMAP Quadrangle, Illinois, Indiana, Kentucky, and Missouri /
Nelson, W. John.
Illinois State Geological Survey.
Geological Survey (U.S.)
Washington : U.S. G.P.O. ; Denver, CO : For sale by the U.S. Geological Survey, Information Services,
1998.
"A joint study conducted in collaboration with the Illinois State Geological Survey ...."
"U.S. Department of the Interior, U.S. Geological Survey"--T.p. verso.
Shipping list no.: 98-0204-P.
Col. map inserted in pocket.
Includes bibliographical references (p. 31-36).
Geology