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Reports

Science Quality and Integrity

The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.

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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

Physiography and glacial geology of eastern Montana and adjacent areas

No abstract available.
Authors
W. C. Alden

Physiography and Quaternary geology of the San Juan Mountains, Colorado

The scenic beauty, rugged contour, and great variety of geologic phenomena displayed by the San Juan Mountains of southwestern Colorado have lured to that region many geologists, both professional and amateur, as well as countless laymen. Serious geologic studies in these mountains seem to fall historically into three periods. The first of these covers the work of the geologists and topographers o
Authors
Wallace W. Atwood, Kirtley F. Mather

Pliocene fossils from limestone in southern Florida

No abstract available.
Authors
W. C. Mansfield

Quality of water of the Colorado River in 1928-1930

This report gives the results obtained in the continuation of a study of the Colorado River begun in 1925.1 The analyses represent composites of daily samples collected by the observers at the gaging stations on the Colorado River at Cisco, Utah, and Lees Ferry and Grand Canyon, Ariz.; on the Green River at Green River, Utah; and on the San Juan River near Bluff, Utah. Analyses are given for sampl
Authors
C. S. Howard
By
Water Resources Mission Area, Utah Water Science Center

Quaternary geology of Minnesota and parts of adjacent States

No abstract available.
Authors
Frank Leverett, F.W. Sardeson

Shorter contributions to general geology, 1931

No abstract available.
Authors

Stream measurement work: Chapter 8 in Eighteenth biennial report of the State Engineer to the governor of Utah: 1931-1932

General stream measurement work for the purpose of determining the water resources of the state has been continued during the biennium by the United States Geological Survey under the usual cooperative agreements with the State Engineer.This work in Utah is a part of the general plan for the systematic determination of the water resources of the United States begun by the geological Survey in 1888
Authors
A.B. Purton
By
Water Resources Mission Area, Utah Water Science Center

Surface water supply of Hawaii : July 1, 1927 to June 30, 1928

No abstract available.
Authors

Surface water supply of Hawaii : July 1, 1928 to June 30, 1929

No abstract available.
Authors

Surface water supply of the United States, 1928, Part II, South Atlantic slope and eastern Gulf of Mexico basins

No abstract available.
Authors

Surface water supply of the United States, 1929 : Part 10, The Great Basin

No abstract available.
Authors

Surface water supply of the United States, 1929 : Part 12, North Pacific drainage basins ; A. Pacific drainage basins in Washington and upper Columbia River basin

No abstract available.
Authors
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