A guide to the design of surface-water-quality studies
R. C. Averett, L.J. Schroder
1994, Open-File Report 93-105
Data interpretation is difficult under the simplest of conditions and requires hydrologic studies that are carefully designed. Good research presupposes carefully collected data, as well as data that were obtained at times when the information content was highest. To accomplish the careful design of hydrologic studies and to...
Analytical results for soil samples collected in the northern San Luis Valley, Colorado
J. M. Motooka, R. M. O’Leary, D.L. Fey, M. E. Hinkle
1994, Open-File Report 94-297
Second progress report on chronostratigraphic and paleoclimatic studies, middle Mississippi River valley, eastern Arkansas, western Tennessee, and northwestern Mississippi
P. B. Maat, J. P. McGeehin, Hugh T. Millard Jr., M.J. Pavich, F.J. Rich, Meyer Rubin, E.M. Rutledge, S. G. Van Valkenburg, L.B. Ward, D.A. Wysocki
H. W. Markewich, editor(s)
1994, Open-File Report 94-208
Rapid computation of electromagnetic fields for high-frequency sounding in the 300 kHz to 30 MHz range over layered media
W.L. Anderson
1994, Open-File Report 94-196
"Are you a scientist, too?" : a primer of simple activities for geoscientists visiting K-2 classrooms
S. A. Asher-Bolinder
1994, Open-File Report 94-150
Accelerograms recorded at USGS National Strong-Motion Network stations during the Ms=6.6 Northridge, California earthquake of January 17, 1994
R. L. Porcella, E. C. Etheredge, R.P. Maley, A.V. Acosta
1994, Open-File Report 94-141
Geologic map of the Beauty Creek Quadrangle, McCone County, Montana
Roger B. Colton, J. P. McGraw, S.L. Durst
1994, Open-File Report 88-636
Geologic map of the Brockway Quadrangle, McCone County, Montana
Roger B. Colton, J. P. McGraw, S.L. Durst
1994, Open-File Report 88-623
Water-quality data for the South Umpqua River Basin, Oregon, 1990-92
Chauncey W. Anderson, Dwight Q. Tanner, Douglas B. Lee
1994, Open-File Report 94-40
Data are presented from a study of algal and nutrient dynamics in the South Umpqua River Basin in southwestern Oregon during summer, low-flow periods from September 1990 to October 1992. The study was done to assist local and state regulatory agencies in determining total maximum daily loads of nutrients for...
Proceedings Abstracts: American Water Resources Association's Symposium on the National Water-Quality Assessment (NAWQA) Program--November 7-9, 1994, Chicago, Illinois
Stephen K. Sorenson, editor(s)
1994, Open-File Report 94-397
Approximately 418,000 pounds of triazine herbicides are applied annually to control weeds in crops grown in the Albemarle-Pamilico Sound drainage basin, located in North Carolina and Virginia. An enzyme-linked immunosorbent assay was used to detect concentrations of total triazine herbicides in streams draining into Albemarle-Pamlico Sound. Water samples were collected...
Effects of management alternatives on the shallow, saline ground water in the western San Joaquin Valley, California
P. M. Barlow, B.J. Wagner, K.R. Belitz, J.L. Fio
1994, Open-File Report 93-665
Geologic map of the Tillamook Highlands, northwest Oregon Coast Range (Tillamook, Nehalem, Enright, Timber, Fairdale, and Blaine 15 minute quadrangles)
R.E. Wells, P. D. Snavely Jr., N. S. MacLeod, M. M. Kelly, M. J. Parker
1994, Open-File Report 94-21
No abstract available....
Geologic map of the Circle Quadrangle, McCone County, Montana
Roger B. Colton, J. P. McGraw, S.L. Durst
1994, Open-File Report 88-630
Geologic map of the Circle SW Quadrangle, McCone County, Montana
Roger B. Colton, J. P. McGraw, S.L. Durst
1994, Open-File Report 88-629
Analytical data for stream sediment, heavy-mineral concentrate, and outcrop samples, Sur Medio region, departments of Ica, Ayacucho, and Huancavelica, Peru
Robert Eugene Learned, K. R. Long, R. L. Turner, Cesar C. Rios, Joe C. Rodriguez
1994, Open-File Report 94-182-C
Geologic map of the Brockway NE Quadrangle, McCone County, Montana
Roger B. Colton, J. P. McGraw, S.L. Durst
1994, Open-File Report 88-631
Geologic map of the Berry School Quadrangle, McCone and Prairie counties, Montana
Roger B. Colton, J. P. McGraw, D. K. Bozeman
1994, Open-File Report 88-632
Geologic map of the Harrison 1 degree x 2 degrees quadrangle, Missouri and Arkansas
Mark A. Middendorf, K.C. Thomas, C.E. Robertson, J.W. Whitfield, E.E. Glick, W. V. Bush, B.R. Haley, J.D. McFarland
1994, Open-File Report 94-430
The SPECTRA program library; a PC based system for gamma-ray spectra analysis and INAA data reduction
P. A. Baedecker, J. N. Grossman
1994, Open-File Report 94-168
Geology of Holocene liquefaction features along the lower Columbia River at Marsh, Brush, Price, Hunting, and Wallace Islands, Oregon and Washington
B. F. Atwater (compiler)
1994, Open-File Report 94-209
HYDRO a BASIC program and user's guide to model a recorded hydrograph of a debris flow using two different solutions for kinematic wave theory
M. Arattano, S.H. Cannon, P. S. Powers
1994, Open-File Report 92-358
User's manual for SIMULPS12 for imaging vp and vp/vs; a derivative of the "Thurber" tomographic inversion SIMUL3 for local earthquakes and explosions
J.R. Evans, Donna Eberhart-Phillips, C.H. Thurber
1994, Open-File Report 94-431
Ground-water conditions in Georgia, 1993
C. N. Joiner, A. M. Cressler
1994, Open-File Report 94-118
Ground-water conditions during 1993 and recent ground-water level and quality trends in Georgia were evaluated using data from precipitation, ground-water, and ground-water quality monitoring networks. Data for 1993 included in this report are from precipitation records from 10 National Weather Service stations, continuous water-level records from 72 wells, and...
Water resources activities in Florida 1993-94
M. E. Glenn (compiler)
1994, Open-File Report 94-330
This report contains descriptions of water resources activities in Florida conducted by the Water Resources Division of the U.S. Geological Survey in cooperation with Federal, State, and local agencies during 1993-94. These activities are part of the Federal program of appraising the Nation's water resources....
An X-ray diffraction method for semiquantitative mineralogical analysis of Chilean nitrate ore
J.C. Jackson, G. E. Ericksen
1994, Open-File Report 94-240