Skip to main content
U.S. flag

An official website of the United States government

Publications

Browse more than 160,000 publications authored by our scientists over the past 100+ year history of the USGS.  Publications available are: USGS-authored journal articles, series reports, book chapters, other government publications, and more.

Filter Total Items: 171795

Mortality of fish in Lake Erie

The food habits of Blue Grouse vary from a simple winter diet that is made up predominantly of coniferous needles to a complex diet during the summer months, characterized by great variety of foods including green leaves, fruits and seeds, flowers, animal matter and coniferous needles. The spring and fall, which represent the transition periods between these two, are characterized by feeding habit
Authors
John Van Oosten

Nephelometric determination of fluorine

Fluorine in minerals may be determined with the nephelometer to about 1 per cent of the fluorine. The determination is made on an aliquot of the sodium chloride solution of the fluorine, obtained by the Berzelius method of extraction. The fluorine is precipitated as colloidal calcium fluoride in alcoholic solution, gelatin serving as a protective colloid. Arsenates, sulfates, and phosphates, which
Authors
R. E. Stevens

Net selectivity on the Great Lakes

Two experiments, using 784 bobwhite quail chicks, were conducted at the Patuxent Research Refuge, Bowie, Maryland, to find a growing diet that would meet wartime restrictions. In 1941 a diet containing 14 per cent sardine fish meal was formulated and gave satisfactory results from the standpoints of survival and growth. Since fish meal now is scarce, search was made for a diet without war-restrict
Authors
John Van Oosten

New Upper Cretaceous Ostreidae from the Gulf region

No abstract available.
Authors
L. W. Stephenson

Part 2, The Mount Taylor coal field

No abstract available. 
Authors
C. B. Hunt

Part 3— The La Ventana-Chacra Mesa coal field

No abstract available.
Authors
Carle Hamilton Dane

Phosphate rock near Maxville, Philipsburg, and Avon, Montana

No abstract available.
Authors
J. T. Pardee

Records of wells on the Snake River Plain, southeastern Idaho

No abstract available.
Authors
Harold T. Stearns, Lynn Crandall, Willard G. Steward

Stream flow, suspended, and dissolved matter in streams on and near soil conservation project, La Crosse, WI

Measurements of stream flow and movement of suspended natter have been obtained at stations on the La Crosse project as indicated below: Little La Crosse River near Leon, Wis. Drainage area 77.1 square miles. The station is in sec. 3, T. 16 N., R. 4 W., 2 miles northwest of Leon, Monroe County; established March 14, 1934; suspended matter determined from April 1, 1934. Coon Creek at Coon Valley, W
Authors
N.C. Grover

Stream-gaging work: Section 2 of Chapter 6 in Twentieth biennial report of the State Engineer to the governor of Utah: 1935-1936

Stream gaging is primarily the work of collecting basic data relating to the surface-water supplies of the State. These records are used as the basis for all developments involving the use of water.
Authors
A.B. Purton

Studies of relations of rainfall and run-off in the United States

No abstract available.
Authors
William Glenn Hoyt
Was this page helpful?