Quaternary sedimentation of the Alaskan Beaufort shelf: Influence of regional tectonics, fluctuating sea levels, and glacial sediment sources
David A. Dinter
1985, Tectonophysics (114) 133-161
The offshore stratigraphy of the Quaternary Gubik Formation of Arctic Alaska has been studied on high-resolution seismic profiles with a maximum sub-seafloor penetration of about 100 m. In general, marine transgressive subunits of the Gubik Formation are wedge-shaped on the shelf, thickening slightly seaward to the shelf break, beyond which...
Habitat Suitability Index Models: Cactus wren
Henry L. Short
1985, FWS/OBS 82/10.96
A review and synthesis of existing information were used to develop a Habitat Suitability Index (HSI) model for the cactus wren (Campylorhynchus brunneicapillus). The model consolidates habitat use information into a framework appropriate for field application, and is scaled to produce an index between 0.0 (unsuitable habitat) to 1.0 (optimum...
Map showing ground failures from the Greenville/Mount Diablo earthquake sequence of January 1980, Northern California
R. C. Wilson, G. F. Wieczorek, D. K. Keefer, E. L. Harp, N.E. Tannaci
1985, Miscellaneous Field Studies Map 1711
The Greenville/Mt. Diablo earthquake sequence of January 24-26, 1980, was composed of Small and moderate earthquakes; the two largest shocks, on January 24 and 26, were of magnitudes (M) 5.5 and 5.6, respectively (Bolt and others, 1981). A 5.5 event is at the lower end of the range of earthquake...
Map showing Tertiary stratigraphy and structure of the Northern San Joaquin Valley, California
J. A. Bartow
1985, Miscellaneous Field Studies Map 1761
This report is a result of recent studies of the Cenozoic stratigraphy and structure of the San Joaquin Valley that were directed at Cenozoic depositional and tectonic history. Most previous work on the Cenozoic has focused on the Quaternary surficial deposits and on the outcrops of older rocks at the...
Gravity and aeromagnetic maps of the Maroon Bells-Snowmass Wilderness and additions, Pitkin and Gunnison counties, Colorado
D. L. Campbell
1985, Miscellaneous Field Studies Map 1647-B
Aeromagnetic and complete Bouguer gravity anomaly maps have been prepared for the Maroon Bells-Snowmass Wilderness and additions, near Aspen, Colorado. An extreme gravity low, which may be indicative of mineralization, occurs over the White Rock pluton in the southeastern part of the study area. Modeling of the gravity and magnetic...
Habitat Suitability Index Models: American coot
Arthur W. Allen
1985, FWS/OBS 82/10.115
A review and synthesis of existing information were used to develop a Habitat Suitability Index (HSI) model for the American coot (Fulica americana). The model consolidates habitat use information in to a framework appropriate for field application, and is scaled to produce an index between 0.0 (unsuitable habitat) and 1.0...
Habitat Suitability Index Models and Instream Flow Suitability Curves: American shad
David J. Stier, Johnie H. Crance
1985, FWS/OBS 82/10.88
INTRODUCTION The American shad, an anadromous species, is the largest member of the herring family (Clupeidae) and is native to North America (Talbot and Sykes 1958; Hildebrand 1963; Walburg and Nichols 1967). Historically, the commercial fishery for American shad on the Atlantic coast was widespread and intense; in 1896 the estimated catch...
Habitat Suitability Index Models: American woodcock (wintering)
Brian S. Cade
1985, FWS/OBS 82/10.105
A review and synthesis of existing information were used to develop a Habitat Suitability Index (HSI) model for the American woodcock. The model consolidates habitat use information into a framework appropriate for field application, and is sclaed to produce an index between 0.0 (unsuitable habitat) to 1.0 (optimally suitable habitat)....
Habitat Suitability Index Models and Instream Flow Suitability Curves: Chum salmon
Stephen S. Hale, Thomas E. McMahon, Patrick C. Nelson
1985, FWS/OBS 82/10.108
A review and synthesis of existing information were used to develop a Habitat Suitability Index (HSI) model and instream flow suitability curves for the chum salmon (Oncorhynchus keta). The model consolidates habitat use information into a framework appropriate for field application, and is scaled to produce an index between 0.0...
Stratigraphic framework of the upper Fort Union Formation, TA Hills, Western Powder River basin, Wyoming
Jean N. Weaver, Romeo M. Flores
1985, Miscellaneous Field Studies Map 1779
The purpose of this study is to interpret a relationship between the stratigraphy and the environment of deposition of the upper part of the Fort Union Formation in the TA Hills in the western part of the Powder River Basin, Johnson County, Wyoming. This framework was used to map and...
Habitat Suitability Index Models and Instream Flow Suitability Curves: Arctic grayling riverine populations
Wayne A. Hubert, Rhonda S. Helzner, Lawrence A. Lee, Patrick C. Nelson
1985, FWS/OBS 82/10.110
A review and synthesis of existing information were used to develop a Habitat Suitability Index (HSI) model and instream flow suitability curves for Arctic grayling (Thymallus arcticus) riverine populations. The model consolidates habitat use information into a framework appropriate for field application, and is sclaed to produce an index between...
Maps showing sea-floor topography, depth to bedrock, and sediment thickness, Penobscot Bay, Maine
Harley J. Knebel, Kathryn M. Scanlon
1985, Miscellaneous Field Studies Map 1751
This report presents results of a high-resolution seismic-reflection survey conducted by the U.S. Geological Survey to determine the subbottom characteristics of Penobscot Bay, Maine. Penobscot Bay is one of the major embayments along the U.S. Atlantic coast (fig. 1), extending more than 50 km from the Gulf of Maine to...
Mineral resource potential maps of the Fiddler Butte Wilderness Study Area and the Fremont Gorge Study Area, Garfield and Wayne counties, Utah
M. J. Larson, R. F. Dubiel, Fred Peterson, W. R. Willson, J. P. Briggs
1985, Miscellaneous Field Studies Map 1755-A
Field and laboratory investigations of the Fiddler Butte WSA (Wilderness Study Area) in Garfield County, Utah, and of the Fremont Gorge study area in Wayne County, Utah, were made to determine the mineral resource potential of these lands. The investigations indicate that two areas in the northeastern and southwestern parts of the Fiddler...
Habitat Suitability Index Models: Belted kingfisher
Bart L. Prose
1985, FWS/OBS 82/10.87
A review and synthesis of existing information were used to develop a Habitat Suitability Index (HSI) model for the belted kingfisher (Ceryle alcyon). The model consolidates habitat use information into a framework appropriate for field application, and is scaled to produce an index between 0.0 (unsuitable habitat) to 1.0 (optimum...
Habitat Suitability Index Models: Red-winged blackbird
Henry L. Short
1985, FWS/OBS 82/10.95
A review and synthesis of existing information were used to develop a Habitat Suitability Index (HSI) model for the red-winged blackbird (Agelaius phoeniceus L.). The model consolidates habitat use information into a framework appropriate for field application, and is scaled to produce an index between 0.0 (unsuitable habitat) to...
Habitat Suitability Index Models: Blue-winged teal (breeding)
Patrick J. Sousa
1985, FWS/OBS 82/10.114
A review and synthesis of existing information were used to develop a Habitat Suitability Index (HSI) model for the blue-winged teal (Anas discors). The model consolidates habitat use information into a framework appropriate for field application, and is scaled to produce an index between 0.0 (unsuitable habitat) to 1.0 (optimum...
Habitat Suitability Index Models: Eastern wild turkey
Richard L. Schroeder
1985, FWS/OBS 82/10.106
A review and synthesis of existing information were used to develop a Habitat Suitability Index (HSI) model for the eastern wild turkey (Meleagris gallopavo sylvestris). The model consolidates habitat use information into a framework appropriate for field application, and is scaled to produce an index between 0.0 (unsuitable habitat) to...
Seismicity map of the State of Montana
B.G. Reagor, C. W. Stover, S. T. Algermissen
1985, Miscellaneous Field Studies Map 1819
This map is one of a series of seismicity maps produced by the U. S. Geological Survey that show earthquake data of individual states or groups of states at the scale of 1:1,000,000. This map shows only those earthquakes with epicenters located within the boundaries of Montana, even though earthquakes...
Habitat Suitability Index Models and Instream Flow Suitability Curves: Pink salmon
Robert F. Raleigh, Patrick C. Nelson
1985, FWS/OBS 82/10.109
A review and synthesis of existing information were used to develop a Habitat Suitability Index (HSI) model and instream flow suitability curves for the pink salmon (Oncorhynchus gorbuscha). The model consolidates habitat use information into a framework appropriate for field application, and is scaled to produce an index between 0.0...
Seismicity map of the State of Wyoming
B.G. Reagor, C. W. Stover, S. T. Algermissen
1985, Miscellaneous Field Studies Map 1798
The data shown on this map and listed in table 1 are for earthquakes that were originally included in a study of seismic risk in the United States (Algermissen, 1969). This data file has been recompiled and updated through 1981. Some revisions of epicenters and intensities in the original file...
Habitat Suitability Index Models: Northern bobwhite
Richard L. Schroeder
1985, FWS/OBS 82/10.104
A review and synthesis of existing information were used to develop a Habitat Suitability Index (HSI) model for the northern bobwhite (Colinus virginianus). The model consolidates habitat use information into a framework appropriate for field application, and is scaled to produce an index between 0.0 (unsuitable habitat) to 1.0 (optimum...
Habitat Suitability Index Models: Eastern brown pelican
Terrence M. Hingtgen, Rosemarie Mulholland, Alexander V. Zale
1985, FWS/OBS 82/10.90
A review and synthesis of existing information were used to develop a habitat model for the eastern brown pelican (Pelecanus occidentalis carolinensis). The model is scaled to produce an index of habitat suitability between 0 (unsuitable habitat) and 1.0 (optimal habitat) for coastal areas within the eastern brown pelican's breeding...
Mineral resource potential map of the Fossil Ridge Wilderness Study Area, Gunnison County, Colorado
Ed DeWitt, R. J. Stoneman, J. R. Clark, S.E. Kluender
1985, Miscellaneous Field Studies Map 1629-A
Parts of the Fossil Ridge Wilderness Study Area have a high resource potential for gold and silver in small deposits, uranium in medium-size deposits, and high-calcium limestone in large deposits. Parts have a moderate to high potential for uranium, thorium, and light rare-earth elements in small- to medium-size deposits, a...
Shipboard playback for ocean bottom instrument package; modification II
J.J. Fredericks, G. I. Evenden, J. E. Dodd
1985, Open-File Report 85-111
Description of water-systems operations in the Arkansas River basin, Colorado
P.O. Abbott
1985, Water-Resources Investigations Report 85-4092
To facilitate a current project modeling the hydrology of the Arkansas River basin in Colorado, a description of the regulation of water in the basin is necessary. The geographic and climatic setting of the Arkansas River basin that necessitates the use, reuse, importation, and storage of water are discussed. The...
