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The United States Geological Survey in Alaska: Accomplishments during 1980
Warren L. Coonrad, editor(s)
1982, Circular 844
This report of accomplishments of the U.S. Geological Survey in Alaska during 1980 contains summary and topical accounts of results of studies in a wide range of topics of economic and scientific interest. In addition, many more detailed maps and reports are included in the lists of references cited for...
A three-dimensional ground-water-flow model modified to reduce computer-memory requirements and better simulate confining-bed and aquifer pinchouts
P.P. Leahy
1982, Water-Resources Investigations Report 82-4023
The Trescott computer program for modeling groundwater flow in three dimensions has been modified to (1) treat aquifer and confining bed pinchouts more realistically and (2) reduce the computer memory requirements needed for the input data. Using the original program, simulation of aquifer systems with nonrectangular external boundaries may result...
Small-stream flood investigations in Minnesota, October 1958 to September 1980
Kurt T. Gunard, C.J. Smith
1982, Open-File Report 82-433
An investigation of flood flows from small drainage basins in Minnesota is being made to aid in the design of bridges, culverts and other highway drainage structures. Results of the investigation provide peak-flow data on streams generally with drainage areas less than 200 square miles, placing particular emphasis on those...
Cost effective stream-gaging strategies for Maine
R. A. Fontaine
1982, Open-File Report 82-507
This report documents the successful application of the traveling-hydrographer program developed by Moss and Gilroy to stream-gaging operations. This application was novel in the consideration of winter discharge records for the period of backwater effects due to ice. The current level of operation in Maine was identified as requiring a...
Determination and analysis of bearing capacity of calcarenites off the Florida Keys
J.S. Booth, R.A. Farrow, G.N. Wiley, R.C. Circe
1982, Open-File Report 82-309
A specially designed instrument was used to determine the in situ bearing capacity at 12 sites in the carbonate sand seaward of the Florida Keys. The resulting data set not only represents unique information in such an environment, but also provided an opportunity to determine whether bearing capacity is controlled...
Maps showing uranium-bearing diatremes of the Hopi Buttes, Arizona
Karen J. Wenrich, Joseph F. Mascarenas
1982, Miscellaneous Field Studies Map 1310
The Hopi Buttes dominate the landscape north of Holbrook, Arizona, commonly rising to heights of 180 m above the surrounding countryside.  The buttes are underlain by individual diatremes, or in some cases by a complex of diatremes.  Some sediment-filled diatremes also crop out as inconspicuous low hills (some may also...
Geologic reconnaissance and geochemical sampling survey of molybdenum mineralization near Schiestler Peak, Temple Peak Quadrangle, Sublette County, Wyoming
G. K. Lee, J.C. Antweiler, J. D. Love, J.F. Benedict
1982, Open-File Report 82-299
A brief geologic reconnaissance and geochemical survey of molybdenum mineralization near Schiestler Peak, Sublette County, Wyo., indicates that molybdenite occurs in this area as disseminations and blebs in granitic or quartz monzonitic rocks intruded by felsic dikes of similar composition. Samples of stream sediments, panned concentrates from stream sediments, soils,...