Notes on some winter birds of north central New Mexico
R. W. Allen
1950, The Auk (67) 252-253
The observations recorded below were made in Santa Fe, Sandoval and Rio Arriba counties during the winter of 1939-1940. Occasional specimens, 54 in all, collected for racial identification, are deposited in the Museum of Zoology, University of Michigan....
The genus Acroricnums in America (Hymenoptera, Ichneumonidae)
R.T. Mitchell
1950, Annals of the Entomological Society of America (43) 249-261
This paper is a revision of the known species of A croricnus of America. Of the five previously described species assigned to this genus from this area, four are reduced to subspecific rank under the European genotype, A croricnus stylator (Thunberg). Three subspecies and one species are described as new, and typical stylator is recorded from...
Rodent repellency
J.B. DeWitt, J.F. Welch, E. Bellack
1950, Modern Packaging (23) 123-126
In the course of studies involving more than 2,500 chemical repellents, it has been found that certain groups of- compounds containing nitrogen or sulfur are repellent to rats under the , test conditions and it appears probable that some of these compounds might be used for the protection of packaged...
Full scale maps to accompany the Uravan mineral belt
Water Resources Division, U.S. Geological Survey
1950, Trace Elements Investigations 109
No abstract available....
Trace Elements Investigations Report No. 136
Water Resources Division, U.S. Geological Survey
1950, Trace Elements Investigations 136
No abstract available...
Trace Elements Investigations Report No. 122
Water Resources Division, U.S. Geological Survey
1950, Trace Elements Investigations 122
No abstract available....
Progress report on the geology and ground-water hydrology of part of the Oahe Unit, James River Division, South Dakota
Gerald A. Waring, W.H. Bush
1950, Open-File Report 50-104
The Oahe Unit, in the James River basin in eastern South Dakota, extends for about 100 miles north and south and is 20 to 80 miles wide, having the river as its east border. The Oahe irrigation project is planned to supply water to 750,000 to 1,500,000 acres of...
Water resources of the Cumberland area, Maryland-West Virginia
R. R. Bennett, F. F. LeFever, R. O. R. Martin, E. G. Otton
1950, Open-File Report 50-80
The area covered by this report consists of Garrett and Allegany Counties, the two most westernmost counties of Maryland, and Mineral County, West Virginia. The city of Cumberland, population 37,732 (1950 census), which is the economic and commercial center of the area, is on the North Branch pf the Potomac...
A comparative study of mean-section and mid-section methods for computation of discharge measurements
Kenneth B. Young
1950, Open-File Report 53-277
In February, 1949, Mr. J. V. B. Wells, Chief of the Surface Water Branch, appointed a committee of three hydraulic engineers assigned to the Washington office to make a comparative study of the relative merits of the mean-section and mid-section methods of computing discharge measurements. this was done in order...
Geologic investigation at the site of the post office building, Welch, West Virginia
Harold Horatio Hawkins
1950, Open-File Report 50-36
Statement of Problem: Cracking in the interior and exterior walls of the post office building at Welch, West Virginia, developed in the summer of 1947. This cracking appeared about two months after the patching of similar cracks that had developed in 1946. The Public Buildings Administration was requested to investigate the...
Geologic interpretations of seismic data: Braintree-Weymouth by-pass stations 29-56, Liberty Street grade separation in Braintree, Massachusetts
James E. May, Daniel Linehan
1950, Open-File Report 50-42
At the request of the Massachusetts Department of Public Works, seismic and geologic studies were made for the projected Braintree-Weymouth By-Pass grade separation at Liberty Street in Braintree, Massachusetts. The work was performed in order to furnish data that would aid the engineers in preparing estimates of the quantity of...
Trace elements reconnaissance in the lower Colleen River valley, upper Yukon Division, Alaska [Part 2]
M.G. White
1950, Trace Elements Investigations 57-B
Characteristics of radioactive carbonaceous and bituminous shales
Water Resources Division, U.S. Geological Survey
1950, Trace Elements Investigations 78
Geology and oil shale resources of the eastern side of the Piceance Creek Basin, Rio Blanco and Garfield counties, Colorado
Donald Cave Duncan, Carl Belser
1950, Open-File Report 50-12
Nine preliminary aeromagnetic maps covering Aitkin County and parts of Itasca, Kanabec, Koochiching, Mille Lacs, Pine, and St. Louis Counties, Minnesota
J. L. Meuschke
1950, Open-File Report 50-47
Erosion studies at Paricutin, State of Michoacan, Mexico
Kenneth K. Segerstrom
1950, Bulletin 965-A
Two preliminary aeromagnetic maps covering Johnson and Marion Counties, Indiana
John R. Henderson
1950, Open-File Report 50-38
The District of Columbia, its rocks and their geologic history
Martha S. Carr
1950, Bulletin 967
No abstract available....
Three preliminary aeromagnetic maps of eastern St. Louis County, Minnesota
J. L. Meuschke
1950, Open-File Report 50-48
List of references pertaining to electrical well logging
R. M. Richardson
1950, Open-File Report 50-92
No abstract available....
Raccoons of North and Middle America
Edward A. Goldman, Hartley H.T. Jackson
1950, North American Fauna 60
The raccoons, genus Procyon, colloquially known as “coons,” belong to the carnivorous family Procyonidae, which also includes the American genera Nasua, Nasuella, Bassaricyon, and Potos, and the Old World genera Ailurus and Ailuropoda of the subfamily Ailurinae. The members of the Procyon lotor group (subgenus Procyon), with a transcontinental range from...
Mine maps of Boulder tungsten district, Colorado
Thomas Seward Lovering, Ogden L. Tweto
1950, Open-File Report 50-41
Geology and ground-water hydrology of the Heart River irrigation project and the Dickinson area, North Dakota
Paul C. Tychsen, Herbert A. Swenson
1950, Circular 34
The Heart River irrigation project, in southwestern North Dakota, lies in the Missouri Plateau section of the Great Plains physiographic province, which extends from the Missouri escarpment to and beyond the western border of the State. The area ranges in altitude from 1,620 to 2,275 feet and locally has strong...
Progress of geologic work in Iron and Dickinson Counties, Michigan
Carl E. Dutton
1950, Circular 84
Reconnaissance of the geology and ground-water hydrology of the Laramie Basin, Wyoming, with special reference to the Laramie and Little Laramie River valleys
Robert Thomas Littleton
1950, Circular 80