Baseline channel morphology and bank erosion inventory of South Fork Campbell Creek at Campbell Tract, Anchorage, Alaska, 1999 and 2000
Janet H. Curran
2001, Open-File Report 2001-288
South Fork Campbell Creek drains largely undeveloped land in Anchorage, Alaska, but supports heavy use near the Bureau of Land Management (BLM) Campbell Tract facility for recreation and environmental education. To help assess the impacts of human activities in the basin on biological communities, particularly aquatic and terrestrial biota, morphological...
Report of the review of the Global Seismograph Network Program of the U.S. Geological Survey
J.R. Filson, Kaye Shedlock
2001, Open-File Report 2001-460
Algal Data from Selected Sites in the Upper Colorado River Basin, Colorado, Water Years 1996-97
Scott V. Mize, Jeffrey R. Deacon
2001, Open-File Report 2000-266
Algal community samples were collected at 15 sites in the Upper Colorado River Basin in Colorado as part of the National Water-Quality Assessment Program during water years 1996-97. Sites sampled were located in two physiographic provinces, the Southern Rocky Mountains and the Colorado Plateaus, and represented agricultural, mining, urban, and...
Beyond the Golden Gate: Oceanography, geology, biology, and environmental issues in the Gulf of the Farallones
John L. Chin, Edward Ueber, Peter H. Stauffer, James W. Hendley II
Herman A. Karl, editor(s)
2001, Circular 1198
In the 1990's, the U.S. Geological Survey sponsored a multidisciplinary, multiagency investigation of the Gulf of the Farallones, which lies offshore of the San Francisco Bay region. This book discussess the results of the endeavor, covering the topics of oceanography and geology, biology and ecological niches, and issues of environmental...
Assessment of habitat, fish communities, and streamflow requirements for habitat protection, Ipswich River, Massachusetts, 1998-99
David S. Armstrong, Todd A. Richards, Gene W. Parker
2001, Water-Resources Investigations Report 2001-4161
The relations among stream habitat, fish communities, and hydrologic conditions were investigated in the Ipswich River Basin in northeastern Massachusetts. Data were assessed from 27 sites on the mainstem of the Ipswich River from July to September 1998 and from 10 sites on 5 major tributaries in July and August...
Pesticides in selected water-supply reservoirs and finished drinking water, 1999-2000; summary of results from a pilot monitoring program
J. D. Blomquist, J. M. Denis, J.A. Hetrick, R.D. Jones, N.B. Birchfield
2001, Open-File Report 2001-456
Surficial geology of the lower Comb Wash, San Juan County, Utah
Claire I. Longpre
2001, Open-File Report 2001-424
The surficial geologic map of lower Comb Wash was produced as part of a master’s thesis for Northern Arizona University Quaternary Sciences program. The map area includes the portion of the Comb Wash alluvial valley between Highway 163 and Highway 95 on the Colorado Plateau in southeastern Utah. The late...
Assessment method for epithermal gold deposits in northeast Washington State using weights-of-evidence GIS modeling
D. E. Boleneus, G. L. Raines, J. D. Causey, A. A. Bookstrom, T. P. Frost, P. C. Hyndman
2001, Open-File Report 2001-501
The weights-of-evidence analysis, a quantitative mineral resource mapping tool, is used to delineate favorable areas for epithermal gold deposits and to predict future exploration activity of the mineral industry for similar deposits in a four-county area (222 x 277 km), including the Okanogan and Colville National Forests of northeastern Washington....
Water resources of the Lake Traverse Reservation, South and North Dakota, and Roberts County, South Dakota
Ryan F. Thompson
2001, Water-Resources Investigations Report 2001-4219
In 1994, the U.S. Geological Survey, in cooperation with the Sisseton-Wahpeton Sioux Tribe; Roberts County; and the South Dakota Department of Environment and Natural Resources, Geological Survey Program, began a 6-year investigation to describe and quantify the water resources of the area within the 1867 boundary of the Lake Traverse...
Geologic map of the Sunnymead 7.5' quadrangle, Riverside County, California
Douglas M. Morton, Jonathan C. Matti
2001, Open-File Report 2001-450
Open-File Report 01-450 contains a digital geologic map database of the Sunnymead 7.5’ quadrangle, Riverside County, California that includes: ARC/INFO (Environmental Systems Research Institute, http:/www.esri.com) version 7.2.1 coverages of the various elements of the geologic map. A Postscript file to plot the geologic map on a topographic base, containing a Correlation of...
Geologic map of the Lake Mathews 7.5' quadrangle, Riverside County, California
Douglas M. Morton, F. Harold Weber
2001, Open-File Report 2001-479
Open-File Report 01-479 contains a digital geologic map database of the Lake Mathews 7.5’ quadrangle, Riverside County, California that includes: ARC/INFO (Environmental Systems Research Institute, http://www.esri.com) version 7.2.1 coverages of the various elements of the geologic map. A PostScript file to plot the geologic map on a topographic base, containing a Correlation...
Implications for the formation of the Hollywood Basin from gravity interpretations of the northern Los Angeles Basin, California
Thomas G. Hildenbrand, Jeffrey G. Davidson, Daniel J. Ponti, V.E. Langenheim
2001, Open-File Report 2001-394
Gravity data provide insights on the complex tectonic history and structural development of the northern Los Angeles Basin region. The Hollywood basin appears to be a long (> 12 km), narrow (up to 2 km wide) trough lying between the Santa Monica Mountains and the Wilshire arch. In the deepest...
A preliminary survey of marine contamination from mining-related activities on Marinduque Island, Philippines: porewater toxicity and chemistry results from a field trip, October 14-19, 2000
R. Scott Carr, Marion Nipper, Geoffrey S. Plumlee
2001, Open-File Report 2001-441
As a follow-up of an initial overview of environmental problems caused by mining activities on Marinduque Island, Philippines, USGS and TAMU-CC scientists went to Marinduque in October 2000 to do a preliminary assessment of potential impacts of mining-related activities on the marine environment. Like the previous visit in May 2000,...
GIS coverages of the Castle Mountain Fault, south central Alaska
Keith A. Labay, Peter J. Haeussler
2001, Open-File Report 2001-504
The Castle Mountain fault is one of several major east-northeast-striking faults in southern Alaska, and it is the only fault with had historic seismicity and Holocene surface faulting. This report is a digital compilation of three maps along the Castle Mountain fault in south central Alaska. This compilation consists only...
Citizen knowledge and perception of black-tailed prairie dog management: Report to respondents
Natalie R. Sexton, Ayeisha Brinson, Phadrea D. Ponds, Kurt Cline, Berton L. Lamb
2001, Open-File Report 2001-467
What do citizens know about black-tailed prairie dogs, and where do they get their information? When management decisions need to be made regarding an animal such as the black-tailed prairie dog, an understanding of the species and its relationship to humans is necessary. This includes knowing the biology of the...
How brucite may affect the frictional properties of serpentinite
Diane E. Moore, David A. Lockner, K. Iwata, H. Tanaka, J.D. Byerlee
2001, Open-File Report 2001-320
The frictional strength of brucite gouge has been measured at hydrothermal conditions to 450°C. At room temperature, brucite has a coefficient of friction, μ ≈ 0.30, making it one of the weakest minerals identified to date. With increasing temperature at a constant effective normal stress, the coefficient of friction of...
Cruise Report; RV Moana Wave cruise M1-01-GM; the bathymetry and acoustic backscatter of the mid shelf to upper slope off Panama City, Florida, northeastern Gulf of Mexico; September 3, through October 12, 2001, Panama City, FL to Panama City, FL
James V. Gardner, Larry A. Mayer, John E. Hughes Clarke, Peter Dartnell, Kenneth J. Sulak
2001, Open-File Report 2001-448
A zone of deep-water reefs is thought to extend from the mid and outer shelf south of Mississippi and Alabama to at least the northwestern Florida shelf off Panama City, Florida (Figure 1, 67kb). The reefs off Mississippi and Alabama are found in water depths of 60 to 120 m...
Chromite deposits in central part Stillwater Complex, Sweet Grass County, Montana: A digital database for the geologic map of the east slope of Iron Mountain
A. L. Howland, Lorre A. Moyer
2001, Open-File Report 2001-321
In 1940, A.L. Howland and J. W. Peoples, assisted by W.R. Jones and M.G. Bennett, mapped the geology of the east slope of Iron Mountain, Montana. The map was revised and extended by Howland in 1942 and published in 1955 as plate 10 of the U.S. Geological Survey Bulletin 1015-D...
Facies analysis of Tertiary basin-filling rocks of the Death Valley regional ground-water system and surrounding areas, Nevada and California
Donald S. Sweetkind, Christopher J. Fridrich, Emily Taylor
2001, Open-File Report 2001-400
Existing hydrologic models of the Death Valley region typically have defined the Cenozoic basins as those areas that are covered by recent surficial deposits, and have treated the basin-fill deposits that are concealed under alluvium as a single unit with uniform hydrologic properties throughout the region, and with depth. Although...
GRA prospectus: optimizing design and management of protected areas
Richard Bernknopf, David Halsing
2001, Open-File Report 2001-404
Protected areas comprise one major type of global conservation effort that has been in the form of parks, easements, or conservation concessions. Though protected areas are increasing in number and size throughout tropical ecosystems, there is no systematic method for optimally targeting specific local areas for protection, designing the protected...
Characterizing ground-water chemistry and hydraulic properties of fractured-rock aquifers using the multifunction Bedrock-Aquifer Transportable Testing Tool (BAT3)
A.M. Shapiro
2001, Fact Sheet 075-01
No abstract available....
What is the Ohio Gap Analysis Program (GAP)?
S.A. Covert, Melissa Haltuch, Troy Wilson
2001, Fact Sheet 093-01
The Gap Analysis Program (GAP) is a program for identifying the degree to which native species and natural communities are represented in present-day conservation lands. Those areas where unique biological communities and conservation lands do not overlap constitute gaps in our conservation effort.GAP aids in the protection of biodiversity through...
Geologic map of the Jasper Quadrangle, Newton and Boone counties, Arkansas
M.R. Hudson, K.E. Murray, Deborah Pezzutti
2001, Miscellaneous Field Studies Map 2356
This digital geologic map compilation presents new polygon (i.e., geologic map unit contacts), line (i.e., fault, fold axis, and structure contour), and point (i.e., structural attitude, contact elevations) vector data for the Jasper 7 1/2' quadrangle in northern Arkansas. The map database, which is at 1:24,000-scale resolution, provides geologic...
Surface Fractures Formed in the Potrero Canyon, Tapo Canyon, and McBean Parkway Areas in Association with the 1994 Northridge, California Earthquake
Michael J. Rymer, Jerome A. Treiman, Thomas J. Powers, Thomas E. Fumal, David P. Schwartz, John C. Hamilton, Francesca R. Cinti
2001, Miscellaneous Field Studies Map 2360
INTRODUCTION The magnitude 6.7 (M6.7) Northridge earthquake of 17 January 1994 strongly shook the Los Angeles urban region, resulting in 33 direct deaths, more than 20,000 people forced out of their homes, and an estimated $20 billion in damage (Hall, 1994). The earthquake was caused by slip on a previously unrecognized...
The U. S. Geological Survey Chesapeake Bay Science Program
S.W. Phillips
2001, Fact Sheet 125-01
