Adkison, W. L.
Geology and coal resources of the Salyersville north Quadrangle, Magoffin Morgan, and Johnson counties Kentucky / by W. L. Adkison and J. E. Johnston. -- Washington : United States Government Printing Office, 1963 - P. 25-54 + map. -- (Geological Survey Bulletin ; 1047-B).
Geología
Kentucky
55(769)
Geology and coal resources of the Salyersville north Quadrangle, Magoffin Morgan, and Johnson counties Kentucky / by W. L. Adkison and J. E. Johnston. -- Washington : United States Government Printing Office, 1963 - P. 25-54 + map. -- (Geological Survey Bulletin ; 1047-B).
Geología
Kentucky
55(769)