@article{119915, recid = {119915}, author = {Cressman, Earle Rupert, and Noger, Martin C.}, title = {Geologic mapping of Kentucky : a history and evaluation of the Kentucky Geological Survey-U.S. Geological Survey mapping program, 1960-1978 /}, publisher = {U.S. Govt. Print. Off., U.S. Geological Survey,}, address = {Washington :}, pages = {iii, 22 p. :}, year = {1981}, url = {http://library.usi.edu/record/119915}, }