AUTHOR
Association of American State Geologists
1
Butzer, Karl W.
1
Coppens, Yves
1
Digital Mapping Techniques '00 Lexington, Ky
1
Geological Survey (U.S.)
1
Kentucky Geological Survey
1
National Geographic Society (U.S.)
1
Shibasaki, Tatsuo
1
Soller, D. R.
1
Wenner-Gren Foundation for Anthropological Research
1