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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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Science Quality and Integrity

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January 1, 1930

The flora of the Denver and associated formations of Colorado

In the introduction to my report on the Laramie flora of the Denver Basin I stated that that was the first of what was proposed to be a series of papers dealing with the stratigraphy and paleobotany of certain Upper Cretaceous and lower Tertiary plant-bearing formtions of the Rocky Mountain region. The present paper is the second of this series and deals with the flora of the Denver formation and

Authors

Frank Hall Knowlton

January 1, 1930

The flora of the Frontier formation

No abstract available.

Authors

E. W. Berry

January 1, 1930

The Green River and its utilization

The purpose of this report is to present the facts regarding the available water supply of the Green River Basin and other data that will be helpful in planning to put this water to beneficial use. For some parts of the basin a mass of information is available; for other parts the data are less complete. An attempt is made in this report to present an analysis of all this information, supplemented

Science Quality and Integrity

Mission Area Publications

The flora of the Denver and associated formations of Colorado

The flora of the Frontier formation

The Green River and its utilization

The Helderberg group of parts of West Virginia and Virginia

The New England flood of November 1927

The occurrence and origin of analcite and meerschaum beds in the Green River formation of Utah, Colorado, and Wyoming

The rate of growth of stalactites

The Upper Cretaceous floras of Alaska, with a description of the plant-bearing beds

The varves and climate of the Green River epoch

Water-power resources of the Umpqua River and its tributaries, Oregon

Marking geological specimens

Paleontological monographs of the National Geological Surveys

U.S. Geological Survey

U.S. Department of the Interior