erovnuli-samecniero-biblioteka Search for 'au:"Erickson, Ralph Leroy,"'

Reconnaissance of uranium and copper deposits in parts of New Mexico, Colorado, Utah, Idaho, and Wyoming

By Gott, Garland Bayard,.
Washington, 1952 .
16 p., , "Literature cited": p. 9. 27 cm..

]]> Place hold on Reconnaissance of uranium and copper deposits in parts of New Mexico, Colorado, Utah, Idaho, and Wyoming

Geochemistry and petrology of the alkalic igneous complex at Magnet Cove, Arkansas,

By Erickson, Ralph Leroy,.
Washington, U.S. Govt. Print. Off., 1963 .
v, 95 p. , "Prepared in cooperation with the Defense Minerals Procurement Agency." 29 cm..

]]> Place hold on Geochemistry and petrology of the alkalic igneous complex at Magnet Cove, Arkansas,

Gold geochemical anomaly in the Cortez district, Nevada,

By Erickson, Ralph Leroy,.
Washington, 1966 .
2 p. : 27 cm..

]]> Place hold on Gold geochemical anomaly in the Cortez district, Nevada,