BERGIN, M. J.
Coal geology of the seitz Quadrangle Breathitt, Magoffin Morgan, and wolfe counties, Kentucky / by M. J. Bergin. -- Washington : United States Government Printing Office, 1962 - 39 p. + map. -- (Geological Survey Bulletin ; 1122-C).
Geología
Kentucky
55(769)
Coal geology of the seitz Quadrangle Breathitt, Magoffin Morgan, and wolfe counties, Kentucky / by M. J. Bergin. -- Washington : United States Government Printing Office, 1962 - 39 p. + map. -- (Geological Survey Bulletin ; 1122-C).
Geología
Kentucky
55(769)