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Book Chapters

Browse more than 5,500 book chapters 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: 6158

Nomenclatural changes and additions Nomenclatural changes and additions

Abstract not supplied at this time
Authors
Eugenia B. Bohlke, W. F. Smith-Vaniz

Order Microbiotheria Order Microbiotheria

No abstract available.
Authors
A. L. Gardner

Order Xenarthra Order Xenarthra

No abstract available.
Authors
A. L. Gardner

Overview of national bird population monitoring programs and databases Overview of national bird population monitoring programs and databases

A number of programs have been set up to monitor populations of nongame migratory birds. We review these programs and their purposes and provide information on obtaining data or results from these programs. In addition, we review recommendations for improving these programs.
Authors
G.S. Butcher, B. Peterjohn, C.J. Ralph

Paleo­geographic implications of molluscan assemblages in the Upper Cretaceous (Campanian) Pigeon Point Formation, California Paleo­geographic implications of molluscan assemblages in the Upper Cretaceous (Campanian) Pigeon Point Formation, California

The Pigeon Point Formation crops out along the San Mateo County coastline in a northern and southern sequence of folded and faulted strata. Correlation of the two sequences remains somewhat equivocal, although on the basis of biostratigraphy and a reversed magnetic interval both appear to have been deposited during the early to middle Campanian. Sedimentary structures suggest that the...
Authors
William P. Elder, LouElla Saul
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