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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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Age determination in juvenal bobwhite quail

Following methods described by Louis Bureau (1911, 1913) in France, tabulations were made (1) of the ages at which captivity-reared bob-white quail (Colinus virginianus) dropped their juvenal remiges, and (2) the rates at which post-juvenal replacement primaries grew. These were arranged so as to permit the determination of age in healthy birds from one to five months of age. The degree of individ
Authors
George A. Petrides, Ralph B. Nestler
By
Ecosystems Mission Area, Eastern Ecological Science Center

Anderson-Bailey mica deposits, East Hampton, Connecticut

No abstract available.
Authors
J.T. Callihan, G.B. Burnett, E.N. Cameron

Asbestos mine near Bluerock Knob, Yancey County, North Carolina

No abstract available.
Authors
J.J. Norton

Bachman's sparrow in Maryland

The Bachman's Sparrow (Aimophila aestivalis bachmani) is known to be quite rare and irregular in distribution in the northern part of its range. Because of this the northern limits of its range have been rather ill-defined. According to the A. 0. U. Check-List, Fourth Edition: 343, 1931, this bird ranges north to central Virginia in the eastern part of its range and is casual near Washington, D. C
Authors
R. E. Stewart, B. Meanley
By
Ecosystems Mission Area, Eastern Ecological Science Center

Baker Island molybdenite deposit, southeastern Alaska

No abstract available.
Authors
G. D. Robinson

Bauxite deposits of Barbour and Henry Counties, Alabama

No abstract available.
Authors
W.C. Warren

Bauxite deposits of Wilkinson County, Georgia

No abstract available.
Authors
W.C. Warren

Beauregard mica mine, Alstead, New Hampshire

No abstract available.
Authors
D. M. Larrabee, W.J. Hoag, W.H. Ashley, H.R. Morris

Blister mica quarry, Alstead, New Hampshire

No abstract available.
Authors
D. M. Larrabee, G.H. Brodie

Caamano Point antimony deposit, Cleveland Peninsula, southeastern Alaska

No abstract available.
Authors
G. D. Robinson

Camaguey chrome district, Camaguey Province, Cuba

No abstract available.
Authors
D. C. Cox, J. F. de Albear, H. E. Hawkes

Carlisle area of the Steeple Rock mining district, New Mexico

No abstract available.
Authors
R.L. Griggs, H. C. Wagner, Harrison Schmitt
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