Mineral chemistry of the Pioneer Batholith, Beaverhead County, southwestern Montana; microprobe data tables for feldspar, amphibole, mica, pyroxene, and necessary minerals
J. M. Hammarstrom
1990, Open-File Report 90-652
Magmatic history of the East Tintic Mountains, Utah
J. L. Hannah, Alec Macbeth
1990, Open-File Report 90-95
No abstract available....
A computer program for calculating subregional water budgets using results from the U.S. Geological Survey Modular Three-Dimensional Finite- Difference Ground-Water Flow Model
A.W. Harbaugh
1990, Open-File Report 90-392
A simple contouring program for gridded data
A.W. Harbaugh
1990, Open-File Report 90-144
Water-quality trends and basin activities and characteristics for the Albemarle-Pamlico estuarine system, North Carolina and Virginia
D.A. Harned, M.S. Davenport
1990, Open-File Report 90-398
The Albemarle-Pamlico estuarine system has a total basin area of nearly 31,000 square miles and includes the Neuse, Tar, Pamlico, Roanoke, Chowan, and Alligator Rivers, and the Albemarle, Pamlico, Currituck, Croatan, and Roanoke Sounds. Albemarle Sound receives the greatest freshwater inflow of all the sounds in the estuarine system. Inflow...
A computer program in BASIC for construction of two-layer, seismic refraction forward models within which elevation and thickness of the upper layer change and velocities vary laterally within both layers
W.P. Hasbrouck
1990, Open-File Report 90-320
Computer programs in HP 9845 BASIC for modeling and interpreting multiple-layer, plane-interface shallow refraction seismics
W.P. Hasbrouck
1990, Open-File Report 90-473
A two-layer, multiple-coverage seismic refraction method with computer programs in BASIC to expedite its application
W.P. Hasbrouck
1990, Open-File Report 90-266
Reconnaissance bedrock geologic map of the rocks northwest of the Monroe Fault, Concord quadrangle, Vermont
N. L. Hatch Jr.
1990, Open-File Report 90-283
No abstract available....
Low-flow characteristics of streams in Virginia
Donald C. Hayes
1990, Open-File Report 89-586
No abstract available. ...
A preliminary study of thermometry and metal sources of the Spar Lake strata-bound copper-silver deposit, Belt Supergroup, Montana
T. S. Hayes
1990, Open-File Report 90-484
Geologic map and sections of the Steeple Rock Quadrangle, Grant and Hidalgo Counties, New Mexico
D. C. Hedlund
1990, Open-File Report 90-240
Geology and mineral deposits of the Steeple Rock and Duncan mining districts, Grant and Hidalgo counties, New Mexico, and Greenlee County, Arizona
D. C. Hedlund
1990, Open-File Report 90-239
Quaternary geologic map of the San Jose East Quadrangle, Santa Clara County, California
E. J. Helley, J. R. Wesling
1990, Open-File Report 90-427
Maps showing elevation of bedrock and implications for design of engineered structures to withstand earthquake shaking in San Mateo County, California
W.H. Hensolt, E. E. Brabb
1990, Open-File Report 90-496
Description of digital data from a helicopter geophysical survey to map brine contamination— Brookhaven Oil Field, Lincoln County, Mississippi
W. D. Heran, B. D. Smith
1990, Open-File Report 90-79
No abstract available....
Thermal-pulse flowmeter for measuring slow water velocities in boreholes
A.E. Hess
1990, Open-File Report 87-121
Interactive Macintosh display of petroleum exploration through time across the continental United States
D.K. Higley, K. I. Takahashi, R. F. Mast
1990, Open-File Report 90-676
Macintosh computer display of the history of oil and gas exploration in the Denver basin of Colorado, Nebraska and Wyoming
D.K. Higley, K. I. Takahashi, R. F. Mast
1990, Open-File Report 90-321
Water-quality, well-construction, and ground-water level data for an investigation of radionuclides in ground water, Hickman and Maury counties, Tennessee
G. E. Hileman
1990, Open-File Report 90-190
Water quality, well construction, and groundwater level data were collected for an investigation of radionuclides in groundwater in Maury and Hickman Counties, Tennessee. Seventeen wells and 3 springs were sampled in Hickman County, and 20 wells were sampled in Maury County. Samples from each site were analyzed for radionuclides, common...
Sediment-source data for four basins tributary to Lake Tahoe, California and Nevada; August 1983-June 1988
B. R. Hill, J.R. Hill, K.M. Nolan
1990, Open-File Report 89-618
Data were collected during a 5-year study of sediment sources in four drainage basins tributary to Lake Tahoe, California-Nevada. The study areas include the Blackwood Creek, General Creek, Edgewood Creek, and Logan House Creek basins. Data include changes in bank and bed positions at channel cross sections; results of stream-channel...
Development of alert criteria for future volcanic unrest in Long Valley Caldera, California
D.P. Hill
1990, Open-File Report 90-658
Tabulation of CO2, SO2, and He concentrations in summit fumarole gases and wind and rainfall data at Kilauea Volcano, Hawaii, for the period June 1987 - February 1989
M. E. Hinkle, J. B. Stokes
1990, Open-File Report 90-507
Tabulation of N2, O2, CO2, and He concentrations in soil gases collected daily for 11 months from 0.3-, 0.6-, 1.2-, and 2.0-m depths
M. E. Hinkle
1990, Open-File Report 90-686
Tabulation of N2, O2, CO2, and He concentrations in soil gases collected regularly for 13 months at a site on the summit of Kilauea Volcano
M. E. Hinkle
1990, Open-File Report 90-661