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.

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.

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January 1, 1890

The greenstone schist areas of the Menominee and Marquette regions of Michigan, a contribution to the subject of dynamic metamorphism in eruptive rocks

No abstract available.

Authors

George Huntington Williams, Roland Duer Irving

January 1, 1890

The relations of the traps of the Newark system in the New Jersey region

No abstract available.

Authors

Nelson Horatio Darton

January 1, 1890

Volume XIII: The tertiary insects of North America

That creatures so minute and fragile as insects, creatures which can so feebly withstand the changing seasons as to live, so to speak, but a moment, are to be found fossil, engraved, as it were, upon the rocks or embedded in their hard mass, will never cease to be a surprise to those unfamiliar with the fact. "So fragile," says Quinet, "so easy to crush, you would readily believe the insect one of

Authors

Samuel H. Scudder

January 1, 1889

Descriptions of fourteen new species and one new genus of North American mammals

No abstract available.

Authors

Clinton Hart Merriam

January 1, 1889

Eighth annual report of the United States Geological Survey to the Secretary of the Interior, 1886-1887: Part 1

The Geological Survey was organized, with Mr. Clarence King as Director, in March, 1879. In March, 1881, Mr. King resigned and the present Director was appointed. From its organization to the present time the Survey has steadily grown as Congress has enlarged its functions and increased its appropriations. During this time the scientific organization has gradually developed to the condition set fo

Authors

J. W. Powell

January 1, 1889

Eighth Annual report of the United States Geological Survey to the Secretary of the Interior, 1886-1887: Part 2

No abstract available.

Authors

J. W. Powell

January 1, 1889

Formulas and tables to facilitate the construction and use of maps

No abstract available.

Authors

Robert Simpson Woodward

January 1, 1889

Fossil wood and lignite of the Potomac formation

No abstract available.

Authors

Frank Hall Knowlton

January 1, 1889

Instructions to rain-fall observers of U.S. Geological Survey

In the prosecution of the general "survey of the arid lands for purposes of irrigation," authorized by Congress to be undertaken by the U. S. Geological Survey, a determination of the amount of water supplied by the natural rain and snow fall in different localities is of fundamental importance. To obtain this knowledge the Geological Survey must depend in large measure upon the residents, to whom

Authors

Water Resources Mission Area

January 1, 1889