Exploration and development of small mines.

Exploration and development of small mines.

Sonraí bibleagrafaíochta
Príomhchruthaitheoir: Krumlauf, Harry E., 1901-
Údar corparáideach: Arizona Bureau of Mines,(Tucson)
Formáid: LEABHAR
Foilsithe / Cruthaithe: Arizona,Tucson University of Arizona Press 1966.
Ábhair:
Mines and mineral resources > Arizona.