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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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Use of phosphate for separation of cobalt from iron

The well-known tendency of cobalt to be retained by the iron-alumina precipitate produced by ammonia has generally been ascribed to a specific adsorption by the large surface of this gelatinous precipitate. Whatever its cause, it can be overcome by precipitating the iron as phosphate at a pH of 3.5. The precipitate is easily filterable and practically all the cobalt passes into the filtrate.
Authors
V. North, R. C. Wells

Utilization of sassafras by birds

No abstract available.
Authors
B. Meanley
By
Ecosystems Mission Area, Eastern Ecological Science Center

Vanadium deposits of Colorado and Utah, a preliminary report

No abstract available.
Authors
R. P. Fischer

Water levels and artesian pressure in observation wells in the United States, 1940, Part 1, Northeastern States

No abstract available.
Authors

Water levels and artesian pressure in observation wells in the United States, 1940, Part 2, Southeastern States

No abstract available.
Authors

Water levels and artesian pressure in observation wells in the United States, 1940, Part 3, North-Central States

No abstract available.
Authors

Water levels and artesian pressure in observation wells in the United States, 1941, Part 5, Northwestern States

No abstract available.
Authors

Water supply of the Dakota sandstone in the Ellendale-Jamestown area, North Dakota, with reference to changes between 1923 and 1938

The Dakota sandstone underlies most of North Dakota and South Dakota and considerable parts of nearby States. In most of the area that it occupies it is covered with thick deposits of younger formations, chiefly shale, that confine the water in the sandstone under considerable pressure. Where the topography is favorable, as it is in the Ellendale-Jamestown area in southeastern North Dakota, wells
Authors
Leland Keith Wenzel, H. H. Sand
By
Water Resources Mission Area, Dakota Water Science Center

Water utilization in tributaries of the Rogue River

No abstract available.
Authors

Winter birds of the Patuxent Research Refuge

No abstract available.
Authors
R. E. Stewart
By
Ecosystems Mission Area, Eastern Ecological Science Center

Geology of the Moreno Valley, New Mexico

The Moreno Valley, located along the complex eastern boundary between the Sangre de Cristo Mountains and the Great Plains, is structurally a broad, northwardplunging syncline, disrupted by smaller folds and faults. This major synclinal structure is the result of the Laramide disturbance. Deformation, however, has continued possibly into the Quaternary. Intrusions, probably contemporaneous with tho
Authors
L.L. Ray, J.F. Smith

Igneous rocks of the Highwood Mountains, Montana: Part VI. Mineralogy

The minerals of the igneous rocks of the Highwood Mountains are described. The primary hornblende of the quartz latites is basaltic and it has been partly replaced by a common green hornblende. Hornblende is rare in the alkalic rocks. Augite is an abundant mineral of the alkalic rocks; in the syenites it contains some acmite, especially on the borders of the crystals. Aegirite is a common metamorp
Authors
E.S. Larsen, C.S. Hurlbut Jr., Bennett Frank Buie, C.H. Burgess