Principal gold-producing districts of the United States /

by Koschmann, A. H. (Albert Herbert), 1896-1962
Published 1968

Structural control of the gold deposits of the Cripple Creek district, Teller County, Colorado /

by Koschmann, A. H. (Albert Herbert), 1896-1962
Published 1949

Geology and mineral resources of the Maimón-Hatillo district, Dominican Republic /

by Koschmann, A. H. (Albert Herbert), 1896-1962, Gordon, Mackenzie, 1913-
Published 1950

Tin deposits of Irish Creek, Virginia /

by Koschmann, A. H. (Albert Herbert), 1896-1962, Glass, J. J., Vhay, J. S.
Published 1942

Ore deposits of the Kokomo-Tenmile District, Colorado /

by Bergendahl, M. H. (Maximilian Hilmar), 1921-, Koschmann, A. H. (Albert Herbert), 1896-1962
Published 1971

Principal gold-producing districts of the United States /

by Koschmann, A. H. (Albert Herbert), 1896-1962, Bergendahl, M. H. (Maximilian Hilmar), 1921-
Published 1968

Ore deposits of the Kokomo-Tenmile District, Colorado /

by Bergendahl, M. H. (Maximilian Hilmar), 1921-, Koschmann, A. H. (Albert Herbert), 1896-1962
Published 1971

Geology and ore deposits of the Magdalena mining district, New Mexico /

by Loughlin, G. F. (Gerald Francis), 1880-1946, Koschmann, A. H. (Albert Herbert), 1896-1962
Published 1942

Geology and ore deposits of the Magdalena mining district, New Mexico /

by Loughlin, G. F. (Gerald Francis), 1880-1946, Koschmann, A. H. (Albert Herbert), 1896-1962
Published 1942