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Publication Extents

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Determination of minor elements in water by emission spectroscopy
Paul R. Barnett, E. C. Mallory
1971, Techniques of Water-Resources Investigations 05-A2
With the emission spectrograph, the analyst is able to determine many minor elements simultaneously in water samples. Spectrographic methods differ chiefly in techniques of preconcentrating the elements. For waters with dissolved solids of less than 1,000 milligrams per liter, the method of evaporating to dryness and determining the elements in...
Application of borehole geophysics to water-resources investigations
W.S. Keys, L.M. MacCary
1971, Techniques of Water-Resources Investigations 02-E1
This manual is intended to be a guide for hydrologists using borehole geophysics in ground-water studies. The emphasis is on the application and interpretation of geophysical well logs, and not on the operation of a logger. It describes in detail those logging techniques that have been utilized within the Water...