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Publications

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.

Filter Total Items: 169828

Preliminary Field Report of the United States Geological Survey of Colorado and New Mexico

SIR : In accordance with your instructions dated Washington, April 1, 1869, I have the honor to transmit my preliminary field report of the United States geological survey of Colorado and New Mexico, conducted by me, under your direction, during the past season. A portion of your instructions is as follows :  “You will proceed to the field of your labors as soon as the necessary arrangements can b
Authors
Ferdinand Vandeveer Hayden

Second Annual Report of the United States Geological Survey of the Territories, embracing Wyoming

No abstract available.
Authors
Ferdinand Vandeveer Hayden

First Annual Report of the United States Geological Survey of the Territories, embracing Nebraska

No abstract available.
Authors
Ferdinand Vandeveer Hayden

Combining genetic and demographic monitoring better informs conservation of an endangered urban snake

Conversion and fragmentation of wildlife habitat often leads to smaller and isolated populations and can reduce a species’ ability to disperse across the landscape. As a consequence, genetic drift can quickly lower genetic variation and increase vulnerability to extirpation. For species of conservation concern, quantification of population size and connectivity can clarify the influence of genetic
Authors
Dustin A. Wood, Jonathan P. Rose, Brian J. Halstead, Ricka E. Stoelting, Karen E Swaim, A. G. Vandergast