Evaluating the reliability of specific-yield determinations
Ronald L. Hanson
1973, Journal of Research of the U.S. Geological Survey (1) 371-376
The specific yield of the alluvial aquifer in the Gila River flood plain in southeastern Arizona has been determined using two methods of analysis - the time-drawdown method and the soil-moisture-content method. Time-drawdown data measured at 17 observation wells during a 3.5-day aquifer test define an average apparent specific yield of 0.13. Soil-moisture-content data...
Lithostrotion reiseri n. sp., a cerioid colonial coral from Meramec-age beds, Lisburne Group, arctic Alaska
Augustus K. Armstrong
1973, Journal of Research of the U.S. Geological Survey (1) 137-145
Lithostrotion reiseri n. sp. is a cerioid, colonial coral, index fossil for microfossil zones 12-13 (Meramec) in the Lisburne Group in the central and eastern Brooks Range, arctic Alaska....
Age and tectonic implications of some low-grade metamorphic rocks from the Yucatan Channel
J. G. Vedder, N. S. MacLeod, M. A. Lanphere, William P. Dillon
1973, Journal of Research of the U.S. Geological Survey (1) 157-164
Phyllite and marble dredged from the lower part of the continental slope between Cuba and the Yucatan Peninsula seem to support the contention that a pre-early Tertiary metamorphic belt extends from the western Greater Antilles into northern Central America. The minimum K-Ar ages derived from the samples suggest that the metamorphic event was pre-Late Cretaceous,...
Geology of part of the southern complex, Marquette district, Michigan
W.F. Cannon, George C. Simmons
1973, Journal of Research of the U.S. Geological Survey (1) 165-172
The southern complex, south of the Marquette synclinorium in the Marquette district of Michigan, is dominantly granitic. The granitic parts of the complex have Rb-Sr ages of about 2.5 b.y. and are classed as of Precambrian W age. The rocks are divided into two major units: (1.) Bell Creek Gneiss consisting mostly of...
Effect of septic-tank wastes on quality of water, Ipswich and Shawsheen River basins, Massachusetts
L.G. Toler, George B. Morrill III
1973, Journal of Research of the U.S. Geological Survey (1) 117-120
Many housing projects in the metropolitan area of Boston are beyond the reach of municipal sewer systems. Waste water disposed of through septic-tank or cesspool systems percolates to ground-water reservoirs and eventually reaches the streams. The dissolved-solids load in the streams receiving septic-tank effluent is increased by an amount that can be predicted from the...
Lake Michigan: Man's effects on native fish stocks and other biota
LaRue Wells, Alberton L. McLain
1973, Technical Report 20
Man's activities have caused great changes in Lake Michigan in the past 120 years. Although changes in water chemistry and lower biota have been generally modest (except locally), those in native fish stocks have been vast. Exploitation, exotic fish species, and eutrophication and other forms of pollution all have played...
Unharvested fishes in the U. S. commercial fishery of western Lake Erie in 1969
Harry D. Van Meter
1973, Special Scientific Report - Fisheries 670
Potential commercial fish production was estimated for U.S. waters of western Lake Erie in 1969 from pounds landed and pounds discarded. Periodic observations of catches in haul seines and trap nets revealed that about 37% of the catch (by weight) in haul seines and 26% of that in trap nets...
Studies of reptiles in Rock Valley
F.B. Turner, P.A. Medica, D.D. Smith
1973, Desert Biome Research Memo RM 73-2
No abstract available at this time...
Preparation and properties of quinaldine sulfate, an improved fish anesthetic
J. L. Allen, J.B. Sills
1973, Investigations in Fish Control 47
Abstract not submitted to date...
A preliminary classification of wetland plant communities in north-central Minnesota
L.M. Cowardin, Douglas H. Johnson
1973, Special Scientific Report - Wildlife 168
A classification of wetland plant communities was developed for a study area in north-central Minnesota in order to analyze data on waterfowl use of habitat that were gathered by radio telemetry. The classification employs features of several earlier classifications in addition to new classes for bogs and lakeshore communities. Brief...
The microgravimetric determination of acid-insoluble impurities in the complete analysis of small samples of acid-soluble minerals
Robert Meyrowitz
1973, Journal of Research of the U.S. Geological Survey (1) 207-209
The acid-insoluble impurities of small samples of minerals are determined by a microgravimetric procedure. A Schwarz von Bergkampf glass filter stick with paper filter medium is used to separate the insoluble material. The filtration apparatus and procedural details are described....
Scolecobasidium humicola, a fungal pathogen of fish
A. J. Ross, W. T. Yasutake
1973, Journal of the Fisheries Research Board of Canada (30) 994-995
Scolecobasidium humicola, a previously undescribed fungal pathogen of fish was isolated from coho salmon (Oncorhynchus kisutch). In natural infections the kidney was the organ most affected. The disease was difficult to transmit experimentally and appeared to be only weakly contagious....
Petrography and stratigraphy of glacial drift, Mesabi-Vermilion Iron Range area, northeastern Minnesota
Thomas C. Winter, R. D. Cotter, H. L. Young
1973, Bulletin 1331-C
Glacial deposits in the Mesabi-Vermilion Iron Range area consist of four major till units and associated glaciofluvial sediments. Particle-size data and pebble, heavy-mineral, clay-mineral, and percentage-soluble content were used in addition to field description of color and texture to describe and correlate the drift units. The lowermost till unit, basal till,...
Piscine erythrocytic necrosis (PEN)
K. Wolf
1973, Fish Health News (2) 13-15
87Sr/86Sr ratios in basalts from islands in the Indian Ocean
C. E. Hedge, N.D. Watkins, R.A. Hildreth, W. P. Doering
1973, Earth and Planetary Science Letters (21) 29-34
87Sr/86Sr ratios of basalts from islands in the Indian Ocean (0.7040) are higher than those of basalts dredged from the Mid-Indian Ocean Ridge (0.7034). The sources of the island basalts have apparently not been in equilibrium with the source of the...
Some facts, some opinions, and some misconceptions about channel catfish virus disease
K. Wolf
1973, Fish Health News (2) 19-22
Effects of radiation on a fenced population of horned lizards (Phrynosoma platyrhinos) in southern Nevada
P.A. Medica, F.B. Turner, D.D. Smith
1973, Journal of Herpetology (7) 79-85
A method to determine waterfowl shooting distances
D.A. Davenport, G.A. Sherwood, H. W. Murdy
1973, Wildlife Society Bulletin (1) 101-105
Long-range shooting at ducks and geese frequently results in a high crippling loss, unretrieved birds and frustrated hunters. A principal problem has been the general inability of hunters or observers to properly judge distance of birds. This paper describes a reasonably accurate method developed to determine shooting distances to geese....
Horned grebe breeding records in north-central South Dakota
Harold F. Duebbert, J. T. Lokemoen
1973, South Dakota Bird Notes (26) 428-437
Abstract has not been submitted...
Comparison of the magnetic properties of glass from Luna 20 with similar properties of glass from the Apollo missions
F. E. Senftle, A. N. Thorpe, C.C. Alexander, C.L. Briggs
1973, Geochimica et Cosmochimica Acta (37) 1053-1062
Magnetic susceptibility measurements have been made on four glass spherules and fragments from the Luna 20 fines; two at 300°K and two from 300°K to 4°K. From these data the magnetic susceptibility extrapolated to infinite field, the magnetization at low fields and also...
Stress changes ahead of an advancing tunnel
J.F. Abel, F. T. Lee
1973, International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts (10) 673-697
Instrumentation placed ahead of three model tunnels in the laboratory and ahead of a crosscut driven in a metamorphic rock mass detected stress changes several tunnel diameters ahead of the tunnel face. Stress changes were detected 4 diameters ahead of a model tunnel drilled into nearly elastic acrylic, 2·50 diameters...
K, Rb, Sr and 87Sr 86Sr in rocks from the Mid-Indian Oceanic Ridge
K.V. Subbarao, C. E. Hedge
1973, Earth and Planetary Science Letters (18) 223-228
The 87Sr/86Sr ratios of Mid-Indian Oceanic Ridge (MIOR) basalts are nearly identical (0.7032 to 0.7035), with the exception of one more highly radiogenic sample (0.7043). These values are consistently higher than the strontium isotopic ratios of the ridge basalts from Atlantic and...
Mariner 9-Image processing and products
E.C. Levinthal, W.B. Green, J.A. Cutts, E.D. Jahelka, R.A. Johansen, M.J. Sander, J.B. Seidman, A.T. Young, L.A. Soderblom
1973, Icarus (18) 75-101
The purpose of this paper is to describe the system for the display, processing, and production of image-data products created to support the Mariner 9 Television Experiment. Of necessity, the system was large in order to respond to the needs of a large team of scientists with a broad scope...
Radial particle-size segregation during packing of particulates into cylindrical containers
C.D. Ripple, R.V. James, J. Rubin
1973, Powder Technology (8) 165-175
In a series of experiments, soil materials were placed in long cylindrical containers, using various packing procedures. Soil columns produced by deposition and simultaneous vibratory compaction were dense and axially uniform, but showed significant radial segregation of particle sizes. Similar results were obtained with deposition and simultaneous impact-type compaction when...
Statistical recognition of late Cretaceous cyclic sedimentation by means of calcareous nannofossil population studies
I.R. Mayers, T.R. Worsley
1973, Palaeogeography, Palaeoclimatology, Palaeoecology (13) 81-90
The relative abundance of calcareous nannofossil taxa in a sequence of samples collected from a continuous Upper Maastrichtian section in Alabama has been analyzed using statistical techniques. Results indicate that an increase of arbitrarily chosen long-ranging forms can be represented by a slowly...
