Geochemical, aeromagnetic, and generalized geologic maps showing distribution and abundance of lead, silver, gold, and copper, Goldrun Creek quadrangle, Humboldt County, Nevada /

by Erickson, Ralph Leroy, 1923-
Published 1973

Geochemical, aeromagnetic, and generalized geologic maps showing distribution and abundance of mercury, arsenic, antimony, and tungsten, Golrun Creek quadrangle, Humboldt County, N...

by Erickson, Ralph Leroy, 1923-
Published 1973

Geochemical, aeromagnetic, and generalized geologic maps showing distribution and abundance of molybdenum and zinc, Golconda and Iron Point quadrangles, Humboldt County, Nevada /

by Erickson, Ralph Leroy, 1923-
Published 1972

Geologic, geochemical, and geophysical maps of the Bell Mountain Wilderness Study Area, Iron County, Missouri /

by Pratt, Walden P.
Published 1982

Generalized geologic and summary geochemical maps of the Rolla 1⁰ x 2⁰ quadrangle, Missouri /

by Erickson, Ralph Leroy, 1923-
Published 1978

Generalized geologic and geochemical maps of the Cambrian Bonneterre Formation, Rolla 1⁰ x 2⁰ quadrangle, Missouri /

Published 1979

Geologic, geochemical, and geophysical maps of the Rock Pile Mountain Wilderness Study Area, Madison County, Missouri /

by Pratt, Walden P.
Published 1982

Summary geochemical and generalized geologic maps of the Springfield 1⁰ x 2⁰ quadrangle and adjacent area, Missouri /

Published 1985

Geochemical exploration near the Getchell mine, Humboldt County, Nevada /

by Erickson, Ralph Leroy, 1923-
Published 1964

Reconnaissance geology, geophysics, and geochemistry of the southeastern part of the Lewis and Clark Range, Montana : a study identifying a weak lead-zinc mineralized belt, 30 mile...

by Mudge, Melville R., 1921-2009, Erickson, Ralph Leroy, 1923-, Kleinkopf, M. Dean (Merlin Dean), 1926-, Curtin, Gary C., 1935-, Marranzino, A. P.
Published 1968