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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.

Filter Total Items: 6057

Introduction

No abstract available.
Authors
Robert M. Kosanke, Aureal T. Cross

Biostratigraphy and dolomite porosity trends of the Lisburne Group

This preliminary study is based on measured and carefully collected sections of the Lisburne Group (fig. 1, sees. 1-29). The outcrops extend from Cape Lisburne (sec. 1) in the west to Egaksrak River (sec. 29) in northeastern Alaska and are used as the basic building blocks for the carbonate facies maps and the cross section. Lithologic and foraminifera samples were collected at 10-foot intervals a
Authors
Augustus K. Armstrong, Bernard L. Mamet

Changing abundance of migratory birds in North America

No abstract available.
Authors
J.W. Aldrich, C.S. Robbins

Disease

No abstract available.
Authors
C. M. Herman

Extreme female predominance in the bloater (Coregonus hoyi) of Lake Michigan in the 1960's

The sex composition and other biological characteristics of the bloater changed substantially during recent decades of continuous ecological change in Lake Michigan. The percentages of females increased from 72% of the bloaters samples in 1928-32 to 95% in 1963, and ranged from 94 to 97% in 1964-69. The unusual predominance of females was established at an early age, unquestionably before age III.
Authors
Edward H. Brown