Mineral facts and problems.

Mineral facts and problems.

Taispeáin gach leagan (2)
Sonraí bibleagrafaíochta
Údar corparáideach: U.S. Bureau of Mines
Formáid: LEABHAR
Teanga:English
Foilsithe / Cruthaithe: Washington s.n. 1965.
Sraith:Its Bulletin 585
Ábhair:
Mines and mineral resources > United States.
Mineral industies > United States.