Field method for the determination of tungsten in soils

by Ward, Frederick Norville, 1915-
Published: [publisher not identified], 1951

Field determination of uranium in natural waters

by Ward, Frederick Norville, 1915-
Published: U.S. G.P.O., 1957

Analytical methods used in geochemical exploration by the U.S. Geological Survey : a compilation of trace and semimicroanalytical methods of yielding semiquantitative data on geolo...

by Ward, Frederick Norville, 1915-
Published: U.S. G.P.O., 1963

Colorimetric determinations of traces of bismuth in rocks

by Ward, Frederick Norville, 1915-
Published: U.S. G.P.O., 1956

Atomic-absorption methods of analysis useful in geochemical exploration : a compilation of atomic-absorption methods yielding data on geologic materials useful in geochemical prosp...

by Ward, Frederick Norville, 1915-
Published: United States Department of the Interior, Geological Survey, 1969

A field method for the determination of tungsten in soils

by Ward, Frederick Norville, 1915-
Published: United States Department of the Interior, Geological Survey, 1951

Colorimetric determinations of traces of bismuth in rocks

by Ward, Frederick Norville, 1915-
Published: United States Department of the Interior, Geological Survey, 1956

Field determination of uranium in natural waters

by Ward, Frederick Norville, 1915-
Published: United States Department of the Interior, Geological Survey, 1957

Analytical methods used in geochemical exploration by the U.S. Geological Survey

by Ward, Frederick Norville, 1915-
Published: Government Printing Office. 1963

Field method for the determination of molybdenum in plants

by Reichen, Laura E. 1916-
Published: [publisher not identified], 1951

New and refined methods of trace analysis useful in geochemical exploration : a collection of methods additional to those presented earlier in U.S. Geological Survey bulletins 1152...

Published: U.S. Govt. Print. Off., 1975

Atomic-absorption methods of analysis useful in geochemical exploration

by Geological Survey (U.S.)
Published: U.S. Govt. Print. Off., 1969

New and refined methods of trace analysis useful in geochemical exploration : a collection of methods additional to those presented earlier in U.S. Geological Survey bulletins 1152...

Published: United States Department of the Interior, Geological Survey, 1975

Field method for the determination of molybdenum in plants

by Reichen, Laura E. 1916-
Published: United States Department of the Interior, Geological Survey, 1951

Compilation of field methods used in geochemical prospecting by the U.S. Geological Survey

by Lakin, Hubert W. 1907-1986,
Published: United States Department of the Interior, Geological Survey, 1952

Arsenic as an indicator element for mineralized volcanic pipes in the Red Mountains area, western San Juan Mountains, Colorado

by Burbank, W. S. 1898-1975.
Published: U.S. Govt. Print. Off., 1972

Arsenic as an indicator element for mineralized volcanic pipes in the Red Mountains area, western San Juan Mountains, Colorado

by Burbank, W. S. 1898-1975,
Published: United States Department of the Interior, Geological Survey, 1972