Magnetite taconite rock in Precambrian formations in Rio Arriba County, New Mexico.
Bertholf, William Earl, 1915-
Magnetite taconite rock in Precambrian formations in Rio Arriba County, New Mexico. - Socorro, State Bureau of Mines & Mineral Resources, New Mexico Institute of Mining & Technology, 1960. - iv, 24 p. illus., map, diagrs., tables. 28 cm. - New Mexico. Bureau of Mines and Mineral Resources. Circular, 54 . - Circular (New Mexico. Bureau of Mines and Mineral Resources) ; 54. .
Errata slip inserted.
Bibliography: p. 24.
gs 60000249
Magnetite--New Mexico--Rio Arriba County.
Rocks--Analysis.
TN24.N6 / A235 no. 54
Magnetite taconite rock in Precambrian formations in Rio Arriba County, New Mexico. - Socorro, State Bureau of Mines & Mineral Resources, New Mexico Institute of Mining & Technology, 1960. - iv, 24 p. illus., map, diagrs., tables. 28 cm. - New Mexico. Bureau of Mines and Mineral Resources. Circular, 54 . - Circular (New Mexico. Bureau of Mines and Mineral Resources) ; 54. .
Errata slip inserted.
Bibliography: p. 24.
gs 60000249
Magnetite--New Mexico--Rio Arriba County.
Rocks--Analysis.
TN24.N6 / A235 no. 54