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Publication Extents

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Identification and measurement of chlorinated organic pesticides in water by electron-capture gas chromatography
William L. Lamar, Donald F. Goerlitz, LeRoy M. Law
1965, Water Supply Paper 1817-B
Pesticides, in minute quantities, may affect the regimen of streams, and because they may concentrate in sediments, aquatic organisms, and edible aquatic foods, their detection and their measurement in the parts-per-trillion range are considered essential. In 1964 the U.S. Geological Survey at Menlo Park, Calif., began research on methods for...
Summary of ground-water conditions in Michigan in 1964
P.R. Giroux, G.C. Huffman
1965, Open-File Report 65-63
The purpose of this report is to make available records of groundwater level changes in the principal aquifers of the State during 1964 and compile other related data, such as ground-water pumpage, data on municipal, public and industrial water supply facilities, and the effects of precipitation on ground-water levels. Records...