Mineral resources of the region around Boulder dam,
Hewett, Donnel Foster, 1881-1971.
Mineral resources of the region around Boulder dam, by D.F. Hewett, Eugene Callaghan, B.N. Moore, T.B. Nolan, W.W. Rubey and W.T. Schaller. - Washington, U.S. Govt. Print. Off., 1936. - vi, 197 p. incl. illus., tables, 14 pl. (part fold.; incl. maps, diagrs.) 3 fold. maps (in pocket) 23 cm. - U.S. Geological survey. Bulletin 871 .
At head of title: United States Department of the Interior, Harold L. Ickes, Secretary, Geological survey. W.C. Mendenhall, director.
Bibliographical foot-notes
gs 36000333
Mines and mineral resources--Arizona.
Mines and mineral resources--California.
Mines and mineral resources--Nevada.
QE75 / .B9 no. 871
Mineral resources of the region around Boulder dam, by D.F. Hewett, Eugene Callaghan, B.N. Moore, T.B. Nolan, W.W. Rubey and W.T. Schaller. - Washington, U.S. Govt. Print. Off., 1936. - vi, 197 p. incl. illus., tables, 14 pl. (part fold.; incl. maps, diagrs.) 3 fold. maps (in pocket) 23 cm. - U.S. Geological survey. Bulletin 871 .
At head of title: United States Department of the Interior, Harold L. Ickes, Secretary, Geological survey. W.C. Mendenhall, director.
Bibliographical foot-notes
gs 36000333
Mines and mineral resources--Arizona.
Mines and mineral resources--California.
Mines and mineral resources--Nevada.
QE75 / .B9 no. 871