Standards for reporting fish toxicity tests
O.B. Cope
1961, Progressive Fish-Culturist (61) 187-189
The growing impetus of studies on fish and pesticides focuses attention on the need for standardized reporting procedures. Good methods have been developed for laboratory and field procedures in testing programs and in statistical features of assay experiments; and improvements are being made on methods of collecting and preserving fish,...
Use of 3-trifluormethyl-4-nitrophenol as a selective sea lamprey larvicide
Vernon C. Applegate, John H. Howell, James W. Moffett, B. G. H. Johnson, Manning A. Smith
1961, Technical Report 1
The recent discovery of a group of chemical compounds that are significantly more toxic to sea lampreys than to other aquatic organisms offers promise of an early and effective control of this pest. The sea lamprey has all but destroyed the lake trout populations of Lakes Huron and Michigan. In...
Food of the American smelt in Saginaw Bay, Lake Huron
William G. Gordon
1961, Transactions of the American Fisheries Society (90) 439-443
In order to determine possible sources of vitamin A for quail, 37 species of insects and other invertebrates were analyzed for vitamin A and for carotene, and 26 species of seeds and fruits were assayed for carotene. The invertebrates showed no trace of vitamin A; but 8 herbivorous invertebrates and...
The trout fishery in Shenandoah National Park
Robert E. Lennon
1961, Special Scientific Report - Fisheries 395
Populations of brook trout in streams of Shenandoah National Park were reduced drastically early in the past decade by a succession of unusually severe droughts and floods. The drying of stream beds, predation, and scouring were principal factors in the loss of fish. The park was closed to fishing in...
Water analysis
Marvin W. Skougstad, Marvin J. Fishman
1961, Analytical Chemistry (33) 138-164
No abstract available....
Thermal shock and its effect on thermistor drift
J.H. Swartz, R. Raspet
1961, Nature (190) 875-878
[No abstract available]...
Isotopic composition of atmospheric hydrogen and methane
A. E. Bainbridge, H. E. Suess, I. Friedman
1961, Nature (192) 648-649
IN a recent communication, Bishop and Taylor1 express the opinion that the tritium concentration of free hydrogen in the atmosphere has been rising over the past ten years, with a doubling time of approximately 18 months. The authors suspect that artificial tritium was released into the atmosphere several years before the...
Palæomagnetic evidence relevant to a change in the earth's radius
Allan Cox, Richard R. Doell
1961, Nature (189) 45-47
INTEREST in the hypothesis that the Earth's radius has increased during geological history has been renewed in recent years because of several sets of independent observations and interpretations. From studies of the deformation of mountain ranges and the distribution of faults and oceans, Carey1 proposes an increase in the Earth's area...
Palæomagnetism of Hawaiian lava flows
Richard R. Doell, Allan Cox
1961, Nature (192) 645-646
PALÆOMAGNETIC investigations of volcanic rocks extruded in various parts of the world during the past several million years have generally revealed a younger sequence of lava flows magnetized nearly parallel to the field of a theoretical geocentric axial dipole, underlain by a sequence of older flows with exactly the opposite...
The re-survey of typhoon effects on Jaluit Atoll in the Marshall Islands
D.I. Blumenstock, F.R. Fosberg, C.G. Johnson
1961, Nature (189) 618-620
[No abstract available]...
Downstream movement of lampreys and fish in the Carp Lake River, Michigan
Vernon C. Applegate
1961, Special Scientific Report - Fisheries 387
An inclined-screen trap was installed on the Carp River, Emmett County, Michigan, in the spring of 1948 and has been in almost continuous operation since that time. The major goal of this project--a precise determination of the length of the larval life of sea lamprey--was not attained because of the...
Blood properties of prespawning and postspawning anadromous alewives (Alosa pseudoharenqus)
C.J. Sindermann, D.F. Mairs
1961, Fishery Bulletin (61) 145-151
Abstract has not been submitted...
Geology and ground-water resources of Clayton County, Iowa
W. L. Steinhilber, O. J. Van Eck, A.J. Feulner
1961, Water Supply Bulletin 7
Clayton County includes 784 square miles in northeastern Iowa and in 1960 had a population of 21, 962. For the most part, the county is a dissected upland that is drained mainly by the southeastward flowing Turkey River and its principal tributary, the Volga River. The Turkey River empties into...
Fishery statistical districts of the Great Lakes
Stanford H. Smith, Howard J. Buettner, Ralph Hile
1961, Technical Report 2
No abstract available....
Compilation of records of surface waters of Hawaii through June 1950
J. V. B. Wells
1961, Water Supply Paper 1319
No abstract available....
Hydrology of the upper Cheyenne River basin: Part A. Hydrology of stock-water reservoirs in upper Cheyenne River basin; Part B. Sediment sources and drainage-basin characteristics in upper Cheyenne River basin
R. C. Culler, R. F. Hadley, S. A. Schumm
1961, Water Supply Paper 1531
The objective of this investigation was to determine the effect on runoff of the many stock reservoirs in the Cheyenne River basin above Angostura Dam. As a first step it was necessary to determine, within reasonable limits of accuracy, the number of reservoirs in the basin, the storage capacity, the...
Niobium content of soils from West Africa
F. S. Grimaldi, I.A. Berger
1961, Geochimica et Cosmochimica Acta (25) 71-80
Analysis of twenty lateritic soil samples from West Africa has shown them to contain an average 24 p.p.m. of niobium; four similar samples taken from within a few miles from a niobium deposit contain from 79 to 87 p.p.m. niobium. It has been shown that as the aluminum content of...
Age of the Palouse Formation in the Walla Walla and Umatilla River basins, Oregon and Washington
R. C. Newcomb
1961, Northwest Science (35) 122-127
No abstract available....
Mineralogy and geochemistry of vanadium in the Colorado Plateau
A. D. Weeks
1961, Journal of the Less-Common Metals (3) 443-450
The chief domestic source of vanadium is uraniferous sandstone in the Colorado Plateau. Vanadium is 3-, 4-, or 5-valent in nature and, as oxides or combined with other elements, it forms more than 40 minerals in the Plateau ores. These ores have been studied with regard to the relative amounts...
Radio-tracer techniques for the study of flow in saturated porous materials
H.E. Skibitzke, H. T. Chapman, G.M. Robinson, Richard A. McCullough
1961, International Journal of Applied Radiation and Isotopes (10) 38-42
An experiment was conducted by the U.S. Geological Survey to determine the feasibility of using a radioactive substance as a tracer in the study of microscopic flow in a saturated porous solid. A radioactive tracer was chosen in preference to dye or other chemical in order to eliminate effects of...
Records of wells, water levels, and chemical quality of ground water in the French Prairie-Mission Bottom area, northern Willamette Valley, Oregon
Don Price
1961, Report
An investigation of the ground-water resources of the northern Willamette Valley was begun in 1960 as a cooperative program between the Ground Water Branch, U.S. Geological Survey, and the Oregon State Engineer. The northern Willamette Valley area is one of the fastest growing areas of ground-water use within the...
Notes on Sanquinicola Davisi (Trematoda: Sanquinicolidae) in the gills of trout
H.S. Davis, G. L. Hoffman, E. W. Surber
1961, Journal of Parasitology (47) 512-514
No abstract available....
Hepatoma and visceral granuloma in trout
S. F. Snieszko
1961, New York Fish and Game Journal (8) 145-149
Use of radioisotopes in hydrobiology and fish culture
F.F. Hooper, H.A. Podoliak, S. F. Snieszko
1961, Transactions of the American Fisheries Society (90) 49-57
Use of radioisotopes has increased rapidly in hydrobiology and fish culture. Their use, especially P32, to study circulation of nutrients has been demonstrated and offers opportunities in problems of lake metabolism. The most extensive use of isotopes has been to determine photosynthetic activity in plankton through C14 uptake. Applications and limitations...
Aqua de Ney, California, a spring of unique chemical character
J. H. Feth, S. M. Rogers, C. E. Roberson
1961, Geochimica et Cosmochimica Acta (22) 75-86
The chemistry of water of Aqua de Ney, a cold spring of unusual character located in Siskiyou County, Calif., has been re-examined as part of a study of the relation of water chemistry to rock environment. The water has a pH of 11·6 and a silica content of 4000 parts...
