Conference Papers
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The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
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An example of the merging of Landsat, topographic, and aeromagnetic data in a geologic and hydrologic study of a karst region — Claunch, New Mexico An example of the merging of Landsat, topographic, and aeromagnetic data in a geologic and hydrologic study of a karst region — Claunch, New Mexico
No abstract available.
Authors
W. A. Fischer, Donald G. Orr, D. D. Greenlee
Ecological characterization - An overview Ecological characterization - An overview
No abstract available.
Authors
James B. Johnston
Thermogenic gases in near-surface sediments of Norton Sound, Alaska Thermogenic gases in near-surface sediments of Norton Sound, Alaska
A plume of hydrocarbon gases, assumed to be of thermogenic origin based on chemical compositions, has been noted by others in the water column of Norton Sound about 40 km south of Nome, Alaska. We used detailed geophysical transects, side-scan sonar, underwater television, and chromatographic analyses of gases in near-surface sediments to define a probable source area of hydrocarbon...
Authors
C. Hans Nelson, Keith A. Kvenvolden, Edward C. Clukey
The Aleutian Basin, Bering Sea a frontier area for hydrocarbon exploration The Aleutian Basin, Bering Sea a frontier area for hydrocarbon exploration
The Aleutian Basin is the deep water (>3000 m) basin that lies north of the Aleutian Islands adjacent to the Bering Sea continental shelf. The basin, about the size of the state of Texas, is underlain by a 2-9 km-thick flat-lying sequence of mostly Cenozoic sediment and rock that includes diatomaceous silty clay interbedded with turbidities in the upper 1 km. Before 1974, geologic and...
Authors
Alan K. Cooper, David W. Scholl, A.F. Marlow, Jonathan R. Childs, George D. Redden, Keith A. Kvenvolden
Potential applications of satellite imagery in some types of natural resource inventories Potential applications of satellite imagery in some types of natural resource inventories
Landsat satellite imagery has been routinely available to researchers and resource scientists since 1972. Many studies have demonstrated the application of Landsat imagery for conducting inventories and mapping various natural resources. Examples of applications presented in this paper include: timber volume inventory, range productivity inventory, wildland vegetation mapping, inventory...
Authors
Wayne G. Rohde
Age of graben systems on the moon Age of graben systems on the moon
The study focuses on the time of formation of the graben. An attempt is made to determine whether the graben are restricted to geologic units of certain ages, and whether and at what time graben formation ceased. It is shown that (1) most preserved graben formed considerably later than the impacts that formed the basins; (2) graben are faults that are reactivated along older basin...
Authors
Baerbel K. Lucchitta, Jessica A. Watkins
Comparison of a few recording current meters in San Francisco Bay, CA Comparison of a few recording current meters in San Francisco Bay, CA
A team of research scientists in the U.S. Geological Survey uses San Francisco Bay, California, as an outdoor laboratory to study complicated interactions of physical, chemical, and biological processes which take place in an estuarine environment. A current meter comparison study was conceived because of the need to select a suitable current meter to meet field requirements for current
Authors
R. T. Cheng
Dietary zinc prevents cataract in trout Dietary zinc prevents cataract in trout
No abstract available at this time
Authors
H. G. Ketola
Diseases of wildlife: Problems in diagnosis and control Diseases of wildlife: Problems in diagnosis and control
No abstract available.
Authors
Milton Friend
Field and modeling studies of San Francisco Bay Field and modeling studies of San Francisco Bay
No abstract available.
Authors
T. J. Conomos, F.H. Nichols, R. T. Cheng, D. H. Peterson
Organochlorine residues and eggshell thinning in anhingas and waders Organochlorine residues and eggshell thinning in anhingas and waders
Residues of organochlorine compounds occur commonly in environmental samples and have been associated with adverse effects in numerous avian species (Cooke 1973; L. F. Stickel 1973; W. H. Stickel 1975; Ohlendorf et al. 1977; H. M. Ohlendorf, R. W. Risebrough, and K. Vermeer, unpublished manuscript). The affected species are usually terminal consumers, generally those feeding on aquatic...
Authors
Harry M. Ohlendorf, Erwin E. Klaas, T. Earl Kaiser
Regional mineral resource assessment in Alaska, a case history Regional mineral resource assessment in Alaska, a case history
No abstract available.
Authors
Donald A. Singer, W. D. Menzie, John H. DeYoung