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A field method for the determination of silver in soils and rocks
H. M. Nakagawa, H. W. Lakin
1965, Open-File Report 65-182
A rapid, sensitive, and specific field method useful in geochemical exploration has been developed for the determination of silver in geologic materials. In this method the sample is digested with nitric acid and the silver is extracted with triisooctyl thiophosphate (TOTP) in benzene and stripped from the organic phase with...
Records of wells and test holes, materials tests, and chemical analyses of water in the Assabet River basin, Massachusetts
Samuel J. Pollock, William B. Fleck
1965, Open-File Report 65-125
The Assabet River, located in Worcester and Middlesex Counties in eastern Massachusetts, drains an area of approximately 177 square miles. The area includes all or a portion of the following towns: Acton, Boxborough, Carlisle, Concord, Hudson, Littleton, Marlborough, Maynard, Stow, Sudbury, and Westford in Middlesex County; Berlin, Bolton, Boylston, Clinton,...
Geological Survey research 1965, Chapter C
Water Resources Division, U.S. Geological Survey
1965, Professional Paper 525-C
This collection of 44 short papers is the second published chapter of Geological Survey Research 1965. The papers report on scientific and economic results of current work by members of the Conservation, Geologic, and Water Resources Divisions of the U.S. Geological Survey....