kw.\*:("1976-1977 ET VALEUR")
Results 1 to 2 of 2
Selection :
MINERALS IN THE ECONOMY OF VERMONT.1978; U.S. DEPT. INTER., BUR. MINES, STATE MINER. PROF.; U.S.A.; DA. 1978; NO 2; PP. 1-9; BIBL. 4 REF.; 3 ILL.Article
MINERALS IN THE ECONOMY OF IDAHO.1978; U.S. DEPT INTER., BUR. MINES, STATE MINER. PROFILE; U.S.A.; DA. 1978; NO 1; PP. 1-12; 3 ILL.Article
