Michael W. Higgins
1974, GSA Bulletin (85) 156
No abstract available....
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Publication Extents
Not all publications have extents, not all extents are completely accurateA.T. Ovenshine, D. E. Lawson, S. R. Bartsch-Winkler
1974, Earthquakes & Volcanoes (USGS) (6) 3-9
No abstract available....
Pamela A. Covington
1974, Report
No abstract available....
E-an Zen
1974, Journal of Petrology (15) 197-242
Prehnite- and/or pumpellyite-bearing meta-igneous rocks are found on the west side of the Appalachian metamorphic belt (1) near Jonestown, south-eastern Pennsylvania; (2) on Rensselaer Plateau, eastern New York; (3) near Quebec City, Quebec; and (4) at Little Port, Humber Arm, western Newfoundland. The assemblages critical to determining the conditions...
Kenneth J. Englund
G. Briggs, editor(s)
1974, Book chapter, Carboniferous of the southeastern United States
The Pocahontas Formation is a clastic wedge of sandstone, siltstone, shale, coal, and underclay that is transitional between underlying marine strata of Mississippian age and overlying continental beds of Pennsylvanian age. It attains a maximum thickness of 750 ft. at the southeastern edge of the Appalachian coal field and thins...
Water Resources Division, U.S. Geological Survey
1974, Hydrologic Unit 20
No abstract available....
O. James Taylor, Richard R. Luckey
1974, Groundwater (12) 22-38
A mathematical model was developed and used to simulate the stream-aquifer system in the Arkansas River valley in southeastern Colorado, from Pueblo to the Colorado-Kansas State line. The model simulates the interrelations among ground water and surface water including reservoirs, losses, and transmountain diversions, utilizing various water-distribution rules. The model...
Benjamin B. Eissler, Thomas J. Zembrzuski
1974, Report
No abstract available....
W. B. Langbein, G. E. Harbeck Jr.
1974, Hydrological Sciences Bulletin (19) 227-229
Information for comparing costs of collecting hydrometric data in different countries may promote efficiency of operations. The hydrometric programme in the United States consists of 8400 full-record stations and an equal number of partial-record stations operated by 47 district offices. A sampling of four districts selected to represent the range...
M. Lansford, E. M. McPherson, Marvin J. Fishman
1974, Atomic Absorption Newsletter (13) 103-105
The determination of selenium by hydride generation atomic absorption spectrophotometry using zinc is widely used. Very little is mentioned, however, on possible interferences. In an attempt to use this technique for the determination of selenium in natural waters, interferences were found. The most serious interference occurred when arsenic was present....
Louis Pavlides
1974, GSA Bulletin (85) 153-155
No abstract available....
D. T. Lauer, W. C. Draeger
1974, Conference Paper, Advanced concepts and techniques in the study of snow and ice resources: An interdisciplinary symposium
No abstract available....
Glen L. Hoffman, Fred P. Meyer
G.L. Hoffman Sr., F. P. Meyer, editor(s)
1974, Book
No abstract available....
W. C. Draeger, D. T. Lauer
1974, Conference Paper, Proceedings of the 9th International Symposium on Remote Sensing of Environment
No abstract available....
Irving Friedman, Kenneth G. Hardcastle, Jim D. Gleason
1974, Journal of Research of the U.S. Geological Survey (2) 7-12
Isotopic composition of carbon and hydrogen in some Apollo 14 and 15 lunar samples was determined by use of a newly constructed combustion line that yields low blanks for CO2 and H2. The results from combustion of fines and breccia from Apollo 14 lunar samples and of fines, breccia, and basalt from Apollo 15...
Harry H. Moore, Frederick H. Dahl, Aarne K. Lamsa
1974, Technical Report 27
Recoveries of 477 (11.8%) of 4,048 tagged parasitic-phase sea lampreys showed that lampreys moved extensively and that interchange between the Great Lakes was common. Of 93 recoveries from 2,265 tagged lampreys released below the navigation locks in the St. Marys River, 80 were in Lake Huron, 12 in Lake Superior,...
Bernard R. Smith, J. James Tibbles, B. G. H. Johnson
1974, Technical Report 26
The sea lamprey (Petromyzon marinus) gained entrance into Lake Superior in the early 1940's, and began making drastic inroads on the fish stocks by the early 1950's. Serious efforts to control the parasite began in 1953 with the installation of electrical barriers in streams to block spawning runs. Control measures...
A.A. Kocan, L. N. Locke
1974, Journal of Wildlife Diseases (10) 8-10
Bald eagles (Haliaeetus leucocephalus) found dead or moribund in the United States and Canada and submitted to Patuxent Wildlife Research Center were examined for helminth parasites. Nine genera of helminths were reported which include new host records for Clinostomum complanatum, Neogogatea pandionis, Centrorhynchus sp., Serratospiculum amaculata, Capillaria contorta, and Habronema americanum....
C. A. von Hake
1974, Earthquake Information Bulletin (USGS) (6) 26-29
Since 1852, more than 30 shocks of intensity VI or greater (Modified Mercalli scale) have occurred in western Nevada. At least three of these were classified as intensity X. In addition, seven earthquakes (intensity VI or greater) were centered in the eastern part of the State. Almost 2,000 other shocks...
Paul H. Eschmeyer, Van T. Harris
1974, Book
No abstract available....
Celso Puente
1974, Edwards Underground Water District Bulletin 33
No abstract available....
O.W. Nuttli
1974, Earthquake Information Bulletin (USGS) (6) 8-13
Shortly after 2 o'clock on the morning of December 16, 1811, the Mississippi River valley was convulsed by an earthquake so severe that it awakened people in cities as distant as Pittsburgh, Pennsylvania, and Norfolk, Virginia. This shock inaugurated what must have been the most frightening sequence of earthquakes ever...
W. W. Hays
1974, Earthquake Information Bulletin (USGS) (6) 18-22
J. Sims
1974, Earthquake Information Bulletin (USGS) (6) 3-9
How often do major earthquakes occur? Do they follow regular patterns of recurrence, and if so, what is the length of the recurrence interval? These questions are of obvious importance to populations located in regions where earthquakes are a commonplace occurrence. They are also relevant questions in regions that are...
David M. Perkins
Robert Mallis, editor(s)
1974, Earthquake Information Bulletin (USGS) (6) 10-15
What is the possibility that an earthquake will occur near you? Have you ever wondered what the chances were that an earthquake could affect you at home or at work? Perhaps you are planning to move to a part of the country subject to frequent earthquakes. How do you determine...