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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.

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Filter Total Items: 171826

Rodent-repellent studies. I. Method for the evaluation of chemical repellents

A biological assay procedure and a method for the numerical expression of results have been devised for the determination of the repellency to rodents of different chemical compounds. The procedure is based upon the degree of acceptability of foods containing the candidate repellents,. and has been shown. to offer a rapid, reliable measure of repellent activIty.
Authors
E. Bellack, J.B. DeWitt
By
Ecosystems Mission Area, Eastern Ecological Science Center

Rodent-repellent studies. III. Advanced studies in the evaluation of chemical repellents

In order to bridge the gap between preliminary screening of chemicals for potential rodent repellency and the application ofthese compounds to paper cartons, more advanced studies in the evaluation ofpromising materials have been carried out. These studies have resulted in: (1) a modification of the food acceptance technique which eliminates doubtful compounds and also provides a closer analogy t
Authors
E. Bellack, J.B. DeWitt
By
Ecosystems Mission Area, Eastern Ecological Science Center

Sea lamprey investigation. II. Egg development, maturity, egg production, and percentage of unspawned eggs of sea lampreys, Petromyzon marinus, captured in several Lake Huron tributaries

Abstract has not been submitted
Authors
Vernon C. Applegate
By
Ecosystems Mission Area, Great Lakes Science Center

Second interim report - black shale investigations (Chattanooga)

No abstract available.
Authors
Louis C. Conant

Semi-quantitative determination of uranium and stratigraphic correlation by gamma-ray logging of drill holes in carnotite deposits

No abstract available.
Authors
Kenneth Granville Bell

Short contributions to Alaskan trace element studies 1946 : Part I: Trace elements investigations in the Grant Creek area, Yukon region, Alaska

No abstract available.
Authors
P.L. Killeen, M.C. White

Some considerations of the biological effects of DDT

No abstract available.
Authors
C.H. Hoffman, J.P. Linduska
By
Ecosystems Mission Area, Eastern Ecological Science Center

Some mineral investigations in southeastern Alaska

No abstract available.
Authors
William Stephens Twenhofel, John C. Reed, G.O. Gates

Staff report on phosphates

No abstract available.
Authors
Vincent Ellis McKelvey, James Bachelder Cathcart

State coordinates and polyconic maps some notes on the state plane-coordinates systems and their relation to polyconic quadrangle maps

No abstract available.
Authors

State-wide bird count, May 7, 1949

No abstract available.
Authors
C.S. Robbins
By
Ecosystems Mission Area, Eastern Ecological Science Center

Statement on the hydrology of pre-Pleistocene (?) aquifers, from a chapter on water resources to be included in a Geological Survey report on the geology of North Utah Valley

No abstract available.
Authors
H. E. Thomas
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