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Variations in titanium and chromium concentrations in magnetite separates from beach and offshore sediments, San Francisco and San Mateo counties, California
Variations in titanium and chromium concentrations in magnetite separates from beach and offshore sediments, San Francisco and San Mateo counties, California
By Gretchen Luepke
Titanium analyses of black sands from six beaches, San Francisco and San Mateo Counties, California
Titanium analyses of black sands from six beaches, San Francisco and San Mateo Counties, California
By Gretchen Luepke
Chromite-bearing sands of the southern part of the coast of Oregon
Chromite-bearing sands of the southern part of the coast of Oregon
By Allan B. Griggs
Mineralogy of black sands at Grays Harbor, Washington
Mineralogy of black sands at Grays Harbor, Washington
By Gerald W. Thorsen
Titaniferous black sandstone deposits of Wyoming
Titaniferous black sandstone deposits of Wyoming
By Robert Stroud Houston
Economic geology of central Idaho blacksand placers
Economic geology of central Idaho blacksand placers
By Carleton Norman Savage
Origin of the black sands of the coast of southwest Oregon
Origin of the black sands of the coast of southwest Oregon
By William H. Twenhofel
Preliminary investigation of concentrating certain minerals in Idaho placer sand
Preliminary investigation of concentrating certain minerals in Idaho placer sand
By Staley, William Wesley
Platinum and black sand in Washington
Platinum and black sand in Washington
By J. T. Pardee