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Page 6103, results 152551 - 152575

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Publication Extents

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Residue method for common minor elements
Joseph Haffty
1960, Water Supply Paper 1540-A
A spectrographic method is described for the quantitative analysis of many minor elements in natural water. The excitation of the water residue using a direct-current arc provides a method for the detection of elements present in very low concentrations. The concentration of the elements is determined in percent of the...
Borehole geophysical methods for analyzing specific capacity of multiaquifer wells : ground-water hydraulics
Gordon D. Bennett, Eugene P. Patten Jr.
1960, Water Supply Paper 1536-A
Conventional well-logging techniques, combined with measurements of flow velocity in the borehole, can provide information on the discharge-drawdown characteriBtic8 of the several aquifers penetrated by a well. The information is most conveniently presented in a graph showing aquifer discharges as functions of the water level in the well at a...