Mica deposits of the Petaca district, Rio Arriba County, New Mexico, with brief descriptions of the Ojo Caliente district, Rio Arriba County, and the Elk Mountain district, San Miguel County. - Jahns, Richard H. (Richard Henry), 1915-; Geological Survey (U.S.) (Socorro, 1946)
"Prepared by the Geological Survey, U. S. Department of the Interior."
Five of the folded maps are in pocket.
Bibliography: p. 15-16.
Keywords: Mica; Mines and mineral resources -- New Mexico