Geochemical reconnaissance in the Pequop Mountains and Wood Hills, Elko County Nevada : contributions to geochemical prospecting for minerals /

Autor Erickson, Ralph Leroy, 1923-2020, Marranzino, A. P., Oda, Uteana, Janes, W. W.
Vydáno 1966

Geochemical exploration near the Getchell mine Humboldt County, Nevada : contributions to geochemical prospecting for minerals /

Autor Erickson, Ralph Leroy, 1923-2020, Marranzino, A. P., Oda, Uteana, Janes, W. W.
Vydáno 1964