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Publication Extents

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Rapid analysis of silicate, carbonate, and phosphate rocks: Revised edition
Leonard Shapiro
1975, Bulletin 1401
The rapid methods previously used by the U.S. Geological Survey to determine the major constituents of rocks have been modified to introduce atomic absorption spectrometry (AAS) where applicable. Two procedures are available for determining 10 constituents: one, from a single solution prepared by a nitric-acid dissolution of a lithium metaborate-lithium...
Flood of April 1975 at Williamston, Michigan
R. L. Knutilla, L.A. Swallow
1975, Open-File Report 75-289
On April 18 between 5 p.m. and 12 p.m. the city of Williamston experienced an intense rain storm that caused the Red Cedar River and the many small streams in the area to overflow their banks and resulted in the most devastating flood since at least 1904. Local officials estimated...