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Filter Total Items: 171126

The Jarbidge mining district, Nevada: With a note on the Charleston district

No abstract available.
Authors
Frank Charles Schrader

The Kotsina-Kuskulana district, Alaska

No abstract available.
Authors
Fred Howard Moffit, John Beaver Mertie

The lime belt of Massachusetts and parts of eastern New York and western Connecticut

No abstract available.
Authors
T. Nelson Dale

The occurrence of ground water in the United States, with a discussion of principles

The writer has planned and partly prepared a series of six papers on ground water in the United States. These papers are to deal with (1) occurrence, (2) origin, discharge, and quantity, (3) movement and head, (4) quality, (5) recovery and use, and (6) ground-water provinces. The present paper is the first of the series.The writer is indebted to many colaborers for assistance in preparing this pap
Authors
Oscar Edward Meinzer

The shapes of beach pebbles

There is much confusion in geologic literature as to the shapes of fluvial and beach pebbles and the differences between them, if differences exist. Though the contrary has been asserted, most geologists who have written on the subject appear to hold the view that beach pebbles are generally flatter than river pebbles, having discoid, lozenge-shaped, ellipsoid, or oval forms. It is asserted by som
Authors
Chester K. Wentworth

The Twentymile Park district of the Yampa coal field, Routt County, Colorado

No abstract available.
Authors
Marius R. Campbell

Triangulation and primary traverse, 1916-1918

No abstract available.
Authors
Claude Hale Birdseye