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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: 171126

Mineral production of Alaska in 1938

No abstract available.
Authors
P. S. Smith

Mineral resources of Alaska, report on progress of investigations in 1938. Mineral industry of Alaska in 1938

No abstract available.
Authors
P. S. Smith

Mining in Alaska in 1938

No abstract available.
Authors
P. S. Smith

Nickel content of an Alaskan basic rock

No abstract available.
Authors
John C. Reed

Notes on Myxobolus inoratus, n sp, a Myxosporidian, parasitic in the black bass (Huro floridana, Le Sueur)

A largemouth black bass fingerling preserved in formalin was sent to the U.S. Bureau of Fisheries Pathology Laboratory at Seattle, Washington, during the autumn of 1937, by a hatchery employee at Miles City, Montana. The fish exhibited several wart-like protuberances on the caudal peduncle, which aroused the curiosity of Mr. H. C. Topel, in charge of fish distribution at Miles City. He had observe
Authors
F. F. Fish
By
Ecosystems Mission Area, Western Fisheries Research Center

Notes on fossils from the Eocene of the Gulf Province; I, The annelid genus Tubulostium; II, The gastropod families Cassididae, Ficidae, and Buccinidae

No abstract available.
Authors
Julia Gardner

Notes on the effect of low temperature upon eyed eggs

The question has sometimes been raised whether or not any permanent injury may be inflicted upon fish eggs through their subjection to the relatively low temperatures prevailing in egg cases during shipment. This question may be argued in either direction purely upon the basis of indirect evidence which can be summoned in support of either contention. In so far as is known, this question has not b
Authors
F. F. Fish, R.E. Burrows
By
Ecosystems Mission Area, Western Fisheries Research Center

Observations on Henneguya salminicola Ward, a myxosporidian parasitic in Pacific salmon

Henneguya salminicola was described in 1919 by Dr. H. B. Ward from cysts found in the body musculature of a silver salmon (Oncorhynchus kisutch Walbaum) taken from the Stickeen River in southeastern Alaska. Ward described the cysts as “pyriform, fairly uniform in size, and hard to the touch. . . . The cysts measured 3 to 6 mm in diameter and were found everywhere through the muscle mass.” Zschokke
Authors
F. F. Fish
By
Ecosystems Mission Area, Western Fisheries Research Center

Plant histology as an aid in squirrel food-habit studies

No abstract available.
Authors
L. L. Baumgartner, A. C. Martin
By
Ecosystems Mission Area, Eastern Ecological Science Center

Platinum deposits of the Goodnews Bay district, Alaska

No abstract available.
Authors
John Beaver Mertie

Pleistocene diatoms from Long Island, New York

No abstract available.
Authors
K. E. Lohman

Potential water power in the United States

No abstract available.
Authors