The Ajo mining district, Arizona.
Material type:
TextPublication details: Washington : U.S. Govt. Print. Off., 1946.Description: vii, 112 p. : plates, maps, diagrs. ; 29 cmSubject(s): DDC classification: - 557.91
- QE75 .P9 no. 209
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Part of the illustrative matter is folded; part in pocket.
Bibliographical footnotes.
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