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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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Stratigraphy and structure of the area of the Kurupa, Oolamnagavik, Killik, and Colville Rivers

The area between 68° 3C' and 69° 08 N. latitude and between 154° and 155° 20 W. longitude was covered by U. S. Geological Survey party 4 during the period May 18 to September 2. Traverses were confined mainly to the valleys of the Kurupa, Oolamnagavik, and Colville Rivers inasmuch as very little rock is exposed in the interstream areas. This report is a compilation of the field data and of the res
Authors
Robert M. Chapman, R. F. Thurrell

Part 3: Volcano investigations on Umnak Island, 1946

Umnak Island is a dumbbell-shaped island in the eastern part of the Aleutian Islands. The island is 70 miles long and trends northeast-southwest. During 1946 volcano investigations were begun on the island and geologic mapping of most of northeastern Umnak Island was completed.Okmok Volcano, a large, broad volcanic mountain rising to altitudes of 3,000 to 3,500 feet, occupies the central portion o
Authors
F. M. Byers, D.M. Hopkins, K. L. Wier, Bernard Fisher

Preliminary report on the stratigraphy and structure of the Titaluk and upper Ikpikpuk Rivers, Alaska

Geological Survey Party No. 4 was assigned an investigation of the Ikpikpuk and Titaluk Rivers and East Fork of the Ikpikpuk River mainly for the purpose of obtaining stratigraphic information which would be of use in determining the parts of the Upper Cretaceous sequence that underlie the areas investigated by United Geophysical Company parties 43 and 46.A total of five days were spent in geologi
Authors
Edward J. Webber

Preliminary report on the stratigraphy and structure of the area of the Utukok River with notes on the Corwin-Cape Beaufort region, Alaska

U.S. Geological Survey Party 3 studied the geology of the Utukok River area and conducted a short reconnaissance of the Corwin-Cape Beaufort Region during the period May 12 to August 31, 1947. The upper part of the Utukok River was examined for several miles on either side while the lower, or Coastal Plain-portion, was necessarily limited to the few outcrops along the river.During this study, the
Authors
Raymond M. Thompson, W. L. Barksdale

Preliminary report of the stratigraphy and structure of the area of the Colville River from Ipnavik to Kurupa Rivers, Alaska

No abstract available.
Authors
R. F. Thurrell

Thrust faults and related structures in eastern Cuba

Detailed areal mapping in central Camagüey Province and reconnaissance mapping in northern and eastern Oriente Province, Cuba, have revealed two major structural zones: (1) A zone of intense deformation, including thrust faulting, which lies north of the geographic axis of the island; and (2) a belt of domical mountains bounded on the north by Nipe Bay and the coast, and on the south by the Cauto
Authors
T. P. Thayer, P. W. Guild

Flood of August 1942 in the Ontonagon River basin, Michigan

No abstract available.
Authors
Max Noecker, S.W. Wiitala
By
Upper Midwest Environmental Sciences Center, Upper Midwest Water Science Center

Report, of committee on basic research in the field of. industrial minerals and rocks

No abstract available. 
Authors
G.L. Gillson, R. H. Jahns

Survey‐net adjustment by electrical analogue

This paper describes how the equivalent of a least‐squares adjustment of a level or traverse net may be obtained by electrical measurements in an analogous electrical net. The lengths of the survey lines are replaced by proportional electrical resistances; the survey closures are replaced by proportional small dc voltages; the adjustment corrections are read as electrical potentials at the various
Authors
J. L. Speert

Correlation of geophysical and geological data from Naval Petroleum Reserve No. 4

No abstract available.
Authors
S. W. Dana

Activity of Parícutin volcano from December 1, 1946 to March 31, 1947 patterns

A record of the activity of Parícutin Volcano, Michoacán, Mexico, is shown in the diagram of eruptive characteristics, Figure 1, covering the period December 31, 1946 to March 31, 1947, and is supplemented by the maps of the areal extent of the lava flows, Figures 2 and 3. This continues the previous record for the period from September 18 to November 30, 1946 [Trans. Amer. Geophys. Union, v. 28,
Authors
R.E. Wilcox

Origin of the hot springs at Hot Springs, North Carolina

No abstract available. 
Authors
G. W. Stose, Anna Stose
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