The Conterminous United States Mineral Assessment Program: background information to accompany folio of geologic, geochemical, geophysical, and mineral resource maps of the Ajo and Lukeville 1 degree by 2 degree quadrangles, Arizona.  by Floyd Gray
Publisher: Dept. of the Interior
Place of publication: Washington
Language: eng
Number of pages: 27
Subjects: Geology - Arizona
Notes: 11