Skip to main content
U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search Results

11370 results.

Alternate formats: RIS file of the first 3000 search results  |  Download all results as CSV | TSV | Excel  |  RSS feed based on this search  |  JSON version of this page of results

Page 423, results 10551 - 10575

Show results on a map

Publication Extents

Not all publications have extents, not all extents are completely accurate
Notes on a coal deposit on the Beluga River, Alaska
Farrell F. Barnes
1955, Open-File Report 55-5
This report is based on a brief examination of a locality on the Beluga River, about 50 miles west of Anchorage, Alaska (fig. 1), that had been reported to contain a coal bed of exceptional thickness and quality, possibly suitable for large-scale strip mining. I visited the locality on August...
Geology of the southeastern part of the Robinson Mountains, Yakataga district, Alaska
Don John Miller
1955, Open-File Report 55-114
This report gives the results of geologic investigations in the Yakataga district on the south coast of Alaska, including detailed geologic mapping in the southeastern part of the Robinson Mountains, and reconnaissance study of the stratigraphy and structure of adjoining areas. The geologic map that accompanies this report covers an...
Photogeologic procedures in geologic interpretation and mapping
Richard G. Ray
1955, Open-File Report 55-144
In the past few years increasing use has been made of aerial photographs for geologic interpretation and mapping within the U.S. Geological Survey. As a specialized technique in interpretation and mapping, however, photogeologic procedures were extensively used (1947-1953) in the Survey's geologic mapping of Naval Petroleum Reserve No. 4 in...
Occurrence of diatomaceous earth near Kenai, Alaska
George Plafker
1955, Open-File Report 55-139
Diatomaceous earth occurs in post-glacial lake deposits exposed along the shore of Cook Inlet north of the village of Kenai, Alaska. Diatomaceous earth is an unconsolidated earthy deposit formed by accumulation of the minute siliceous tests (skeletons) of diatoms, a type of algae. Diatomaceous earth is sometimes referred to...
Phosphate deposits in northern Alaska
William Wallace Patton Jr.
1955, Open-File Report 55-132
Deposits of low and medium grade phosphate rock were found recently at seven localities on the Arctic slope of Alaska. They were reported by field parties of the U.S. Geological Survey during the mapping of Naval Petroleum Reserve No. 4 and adjacent areas. The deposits are sedimentary in origin and...
Preliminary geologic evaluation of the Chena area, Alaska
John R. Williams
1955, Open-File Report 55-198
It seems fitting at this session of the Alaska Science Conference, the first to be held in the Fairbanks area, to give a preliminary summary of the practical results of a geologic investigation of the Chena area east of Fairbanks. The work was done by the Geological Survey in 1950....
Origin of the upland silt near Fairbanks, Alaska
T. L. Pewe
1955, GSA Bulletin (66) 699-724
Silt mantles the upland slopes and ridge tops throughout the unglaciated interior of Alaska, reaching maximum thickness along the north side of the Tanana River Valley. The silt is probably loess deposited during glacial advances by south winds blowing from the glaciated Alaska Range across outwash plains in the Tanana...
Reconnaissance for radioactive deposits in Alaska, 1953
John J. Matzko, Robert G. Bates
1955, Trace Elements Investigations 442
During the summer of 1953 the areas investigated for radioactive deposits in Alaska were on Nikolai Creek near Tyonek and on Likes Creek near Seward in south-central Alaska where carnotite-type minerals had been reported; in the headwaters of the Peace River in the eastern part of the Seward Peninsula and...
Subsurface exploration in the Little Susitna district, Matanuska coal field, Alaska
Farrell F. Barnes, Daniel Sokol
1954, Open-File Report 55-7
Preliminary geologic mapping of the Little Susitna district in 1952 showed that an area of at least 140 square miles is underlain by coal-bearing rocks of Tertiary age, and indicated that coal beds of minable quality and thickness might be present at several localities. Detailed exploration with a bulldozer and...
Iron deposits of North America, Cuba, and Puerto Rico
Carl E. Dutton
1954, Open-File Report 54-73
The accompanying report on the iron deposits of the North American continent also includes information concerning the deposits of the West Indies. The geogrphic order of desription is as follows: Alaska, Canada, United States, Mexico, Cuba, and Puerto Rico.A map of each country shows the generalized geologic pattern of the...
Magnetite deposits at Tuxedni Bay, Alaska
Arthur Grantz
1954, Open-File Report 54-103
The magnetite deposits on an island in Tuxedni Bay occur in contact-metamorphosed volcanic and sedimentary rocks near their contact with a quartz diorite batholith which underlies large areas of the adjacent Aleutian Range. The deposits are pyrometasomatic in origin and are localized along northeast-trending fractures. The eastern deposit is a...