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Reports

Browse more than 82,000 reports authored by our scientists over the past 100+ year history of the USGS and refine search by topic, location, year, and advanced search.

Filter Total Items: 83895

The Nixon Fork country. Silver-lead prospects near Ruby

No abstract available.
Authors
John Stafford Brown

Geologic map of Wyoming

No abstract available.
Authors
M. R. Campbell, W. B. Emery, K. C. Heald, G. W. Stose, T. W. Stanton, J. D. Sears

A visit to the Mammoth Cave region of Kentucky

In the spring of 1925 I found opportunity to spend a month in the vicinity of Mammoth Cave, for the purpose of examining the several caverns of that region chiefly from the scenic standpoint, and of obtaining photographs which might be used in discussing them as attractions for sightseers.
Authors
Willis T. Lee

The Volcano letter: A weekly news leaflet of the Hawaiian Volcano Research Association

The Volcano Letter was an informal publication issued at irregular intervals by the Hawaiian Volcano Observatory (HVO) during the years 1925 to 1955. Individual issues contain information on volcanic activity, volcano research, and volcano monitoring in Hawaii. Information on volcanic activity at other locations is also occasionally included.The Volcano Letter was published by HVO through multiple

A new fauna from the Colorado group of southern Montana

This paper describes a small but interesting fauna collected in 1921 by W. T. Thorn, Jr., Gail F. Moulton, T. W. Stanton, and K. C. Heald in the Crow Indian Reservation in southern Montana. The locality is in sec. 36, T. 6 S., R. 32 E., Big Horn County, and is 2 miles east of the Soap Creek oil field.
Authors
John B. Reeside

A reconnaissance of the Point Barrow region, Alaska

No abstract available.
Authors
Sidney Paige, William T. Foran, James Gilluly

A study of coastal ground water, with special reference to Connecticut

No abstract available.
Authors
John Stafford Brown

Additional ground-water supplies for the city of Enid, Oklahoma

No abstract available.
Authors
B. C. Renick

An early Eocene florule from central Texas

In 1916 I described a florule collected by Alexander Deussen and L. W. Stephenson at the town of Earle, in Bexar County, Tex. This florule was tentatively considered of Midway age by these geologists, and examination of the fossil plants tended to confirm this assignment, particularly because of their lack of harmony with the extensive Wilcox flora described in the volume cited above and because o
Authors
Edward Wilber Berry

Aniakchak Crater, Alaska Peninsula

The discovery of a gigantic crater northwest of Aniakchak Bay (see fig. 11) closes what had been thought to be a wide gap in the extensive series of volcanoes occurring at irregular intervals for nearly 600 miles along the axial line of the Alaska Peninsula and the Aleutian Islands. In this belt there are more active and recently active volcanoes than in all the rest of North America. Exclusive of
Authors
Walter R. Smith
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