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Showing: 1 to 10 of 162 matches for "Idaho Placers"  Page   1   2   3   4   5   6   7   8   9  next TITLE Dredging Within the Law  SUMMARY ... Corp., a placer mining company with many years operating experience in Oregon and Montana, became interested in strategic mineral placers in Idaho in 1950 when ... AUTHOR Porter, Robert P. ; Porter, Richard B. ; Lothrop, Robert A. PUBLISHED 1960 TITLE Washington Paper - Hydraulic Pumping-Plant on the Snake River, Idaho, for Power, Irrigation and the Treatment, of Gold Sands  SUMMARY ... district, in Idaho, arc offered as iiidicatiig the possible utilizatiolof a water-fall for irrigation by pumping, the work- ing of gold-placers, the generation ... AUTHOR Birkinbine, John PUBLISHED 1901 TITLE Industrial Minerals - Dredging Within the Law (Mining Engineering, May 1960, pg 468)  SUMMARY ... Corp., a placer mining company with many years operating experience in Oregon and Montana, became interested in strategic mineral placers in Idaho in 1950 when ... AUTHOR Porter, R. P. ; Porter, R. B. ; Lothrop, R. A. PUBLISHED 1961 TITLE Rare Earth Minerals  SUMMARY ... (1953). Some Idaho placers contain xenotime, particularly those in northern Idaho, and REE are a possible byproduct of placer gold mining in that area. ... AUTHOR Castor, Stephen B. PUBLISHED 1994 TITLE Index  SUMMARY ... Beaver Lead Co., Mont., gold-quartz veins at contact between limestone and granite, 317 ; placers [823]. ... Bell lead-silver mine, Idaho [2351. ... PUBLISHED 1903 TITLE Cyanide Leaching to Extract Copper From Zinc Concentrate  SUMMARY ... v. Gillespie, 230 U. S. 46, 56-57 11913). 32Ravndal v. Northfork Placers, 60 Idaho 305, 311-312, 91 Pac. 12d) 368 (1939). Idaho Const., art. ... AUTHOR Hedley, Norman ; Tabachnick, Howard PUBLISHED 1960 TITLE Acquire First, Explore Last  SUMMARY ... After location monumenting and recordation, the target area is secure for 15 days (ex. Idaho placers) to 120 days (ex. Arizona lode). ... AUTHOR Peters, William C. PUBLISHED 1970 TITLE Monazite and Related Minerals  SUMMARY ... sands. Euxenite and bran- nerite have been mined from recent alluvial placers in south-central Idaho (Savage, 1961). Yttrium occurs ... AUTHOR Shannon, Spencer S., Jr. PUBLISHED 1975 TITLE Monazite  SUMMARY ... The Idaho batholith contains a small percentage of monazite but no placers have been found that are workable for their content of this mineral alone. ... AUTHOR Mertie, John B., Jr. PUBLISHED 1949 TITLE Rare Earths And Thorium  SUMMARY ... 1968). Euxenite and bran- nerite have been mined from Recent alluvial placers in south-central Idaho (Savage, 1961 ). Yttrium occurs ... AUTHOR Shannon, Spencer S., Jr. PUBLISHED 1983 Showing: 1 to 10 of 162 matches for "Idaho Placers"  Page   1   2   3   4   5   6   7   8   9  next Search Again