The addition of iodine to tetramethylammonium iodide
H. W. Foote, M. Fleischer
1953, Journal of Physical Chemistry (57) 122-125
The system tetramethylammonium iodide-iodine-toluene has been studied by the solubility method at 6 and at 25°. The compounds (CH3)4NI3, (CH3)4NI5 and (CH3)4NI11 were found to be stable phases at both temperatures. In addition, the compound (CH3)4NI10 was found at 6° and the compound (CH3)4NI9 at 25°. The dissociation pressures of...
Method for determination of small amounts of rare earths and thorium in phosphate rocks
C. L. Waring, H. Mela Jr.
1953, Analytical Chemistry (25) 432-435
In laboratory investigations, interest developed in the possible rare-earth content of phosphate samples from Florida and the northwestern United States. Because of the difficulty of making chemical determinations of traces of individual rare earths, a combined chemical-spectrographic method was investigated. After removal of iron by the extraction of the chloride...
Quercetin as colorimetric reagent for determination of zirconium
F. S. Grimaldi, C. E. White
1953, Analytical Chemistry (25) 1886-1890
Methods described in the literature for the determination of zirconium are generally designed for relatively large amounts of this element. A good procedure using colorimetric reagent for the determination of trace amounts is desirable. Quercetin has been found to yield a sensitive color reaction with zirconium suitable for the determination...
Semiquantitative spectrographic method for analysis of minerals, rocks, and ores
C. L. Waring, C. S. Annell
1953, Analytical Chemistry (25) 1174-1179
The quantity and complex nature of materials received for analysis in the spectrographic laboratories of the U. S. Geological Survey have emphasized the need for a spectrographic method to determine a maximum number of elements in a limited time with a reasonable degree of accuracy. The semiquantitative method described determines...
Interpreting geologic maps for engineering purposes: Hollidaysburg quadrangle, Pennsylvania
Water Resources Division, U.S. Geological Survey
1953, Report
This set of maps has been prepared to show the kinds of information, useful to engineers, that can be derived from ordinary geologic maps. A few additional bits of information, drawn from other sources, are mentioned below. Some of the uses of such maps are well known; they are indispensable...
Abbreviations used in publications of the United States Geological Survey
Water Resources Division, U.S. Geological Survey
1953, Report
The use of abbreviations in publications of the Geological Survey is determined by several forces working in different directions. Pulling in the direction of greater condensation and the freer use of abbreviations and symbols is the desire to achieve greater economy in publications. Working in the opposite direction is the...
Trout fishing in Michigan waters of Lake Superior, 1952
Ralph Hile
1953, The Fisherman (21) 7, 11-12, 14
This article has been prepared to present the results of recently completed statistical studies on the fishery in the State of Michigan waters of the lake. The tabulations of production of lake trout and the estimates of levels of fishing pressure and abundance in the various statistical districts have...
Separation of antimony by solvent extraction
C. E. White, H.J. Rose
1953, Analytical Chemistry (25) 351-353
[No abstract available]...
Floods of 1950 in southwestern Oregon and northwestern California
C. G. Paulsen
1953, Water Supply Paper 1137-E
No abstract available....
The effects of DDT upon the survival and growth of nestling songbirds
Robert T. Mitchell, H.P. Blagbrough, R.C. VanEtten
1953, Journal of Wildlife Management (17) 45-54
No abstract available. ...
Fluctuations in the fisheries of State of Michigan waters of Green Bay
Ralph Hile, George F. Lunger, Howard J. Buettner
1953, Fishery Bulletin of the U.S. Fish and Wildlife Service (54) 1-34
Green Bay, traditionally a major center of production, has assumed in recent years a position of overwhelming dominance in the commercial fisheries of the State of Michigan waters of Lake Michigan. Within the 4-year period 1945-1948 the commercial take in State of Michigan waters of Green Bay increased from 3,317,000...
A modification in the technique of computing average lengths from the scales of fishes
John Van Oosten
1953, Progressive Fish-Culturist (15) 85-86
In virtually all the studies that employ scales, otollths, or bony structures to obtain the growth history of fishes, it has been the custom to compute lengths for each individual fish and from these data obtain the average growth rates for any particular group. This method involves a considerable amount...
Perch studies in Green Bay
Ralph Hile
1953, Progressive Fish-Culturist (15) 133-134
For years the commercial fishermen of southern Green Bay contended that the minimum length of 8 inches for yellow perch in that are should be reduced because (1) the perch population was stunted, incapable of reaching the size of 8 inches in any numbers, and (2) the larger perch tended...
Therapy of bacterial fish diseases
S. F. Snieszko
1953, Transactions of the American Fisheries Society (83) 313-330
Movement of parasitic-phase sea lampreys in Lakes Huron and Michigan
Bernard R. Smith, Oliver R. Elliott
1953, Transactions of the American Fisheries Society (82) 123-128
A program of tagging was carrie dout in the waters of northern Lake Huron during the fall and winter of 1951-52 in order to supplement the small amount of information available on movement of sea lampreys during their parasitic phase. A total of 219 parasitic-phase sea lampreys were tagged and...
Ultraviolet spectrophotometric determination of tantalum with pyrogallol
J. I. Dinnin
1953, Analytical Chemistry (25) 1803-1807
In a search for a more rapid method for the determination of tantalum in rocks and minerals, an intensive study was made of the tantalum-pyrogallol reaction recommended by Platanov and Krivoshlikov, and a better modified spectrophotometric procedure is given. The improved method consists in measuring the absorbancy of the tantalum-pyrogallol...
The disinfection of eyed trout eggs
S. F. Snieszko
1953, Progressive Fish-Culturist (15) 10
No abstract available....
Virus diseases in fishes: outlook for their treatment and prevention
S. F. Snieszko
1953, Progressive Fish-Culturist (15) 72-74
No abstract available....
The movement of tagged lake trout in Lake Superior, 1950-52
Paul H. Eschmeyer, Russell Daly, Leo F. Erkkila
1953, Transactions of the American Fisheries Society (82) 68-77
A total of 733 native lake trout was tagged at two widely separated localities in Lake Superior; subsequent recaptures numbered 155 fish (21.1 percent) during the year following marking. In October 1950, 116 large lake trout (average total length, 27.3 inches) were tagged near Keweenaw Point, Michigan. Fifteen...
Report of Committee on Hydrobiology and Fish Culture of the American Fisheries Society
James W. Moffett
1953, Transactions of the American Fisheries Society (82) 315-320
Abstract has not been submitted...
War on lampreys
James W. Moffett
1953, Philadelphia Enquirer, 23 August 1953 16-17
Vampire-like sea lampreys look somewhat like short sections of garden hose, swim like eels, and live solely on the blood of fishes. Their voracious appetites have been especially harmful to fish in the Great Lakes, and it is there that methods of underwater electrocution are being applied in their...
Preliminary report on the geology of the Nelchina area, Alaska
Arthur Grantz
1953, Open-File Report 53-79
No abstract available....
Mica deposits of the southeastern Piedmont, Part 11, Alabama district
E. W. Heinrich, J.C. Olson
1953, Professional Paper 248-G
No abstract available....
Lake Bonneville: Geology of northern Utah Valley, Utah
C. B. Hunt, H.D. Varnes, H. E. Thomas
1953, Professional Paper 257-A
Lake Bonneville was a vast Pleistocene lake that covered 20,000 square miles in northwestern Utah and had a maximum depth of about 1,000 feet. It was a body of water comparable in size to modern Lake Michigan.Surveys of the unconsolidated deposits in the Lake Bonneville basin utilize the same methods...
Geochemical studies of clay minerals III. The determination of free silica and free alumina in montmorillonites
Margaret D. Foster
1953, Geochimica et Cosmochimica Acta (3) 143-154
Determination of free silica by the method proposed made possible the derivation of logical formulas for several specimens of montmorillonites for which the formulas could not be derived from the analyses alone. Other montmorillonites, for which logical formulas could be derived from their analyses, were found to contain small amounts...
