Stroud, R.b
Production potential of copper deposits associated with permian red bed formations in Texas, Oklahoma, and Kansas. Stroud, R.b - Washington Bureau of mines 1970 - Report of investigations (United States. Dept. of Energy) 7422 .
553.43:331.522.4(764)(047)
Production potential of copper deposits associated with permian red bed formations in Texas, Oklahoma, and Kansas. Stroud, R.b - Washington Bureau of mines 1970 - Report of investigations (United States. Dept. of Energy) 7422 .
553.43:331.522.4(764)(047)