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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.
The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
Browse more than 5,500 book chapters authored by our scientists over the past 100+ year history of the USGS and refine search by topic, location, year, and advanced search.
Filter Total Items: 6152
Woodcock utilization of commercial timberlands in the northeast Woodcock utilization of commercial timberlands in the northeast
This paper reports the results of studies in Maine (1975-77) and New Brunswick (1974) on the utilization of commercial timber areas by woodcock (Philohela minor). Openings created by logging operations were utilized for singing grounds and nocturnal roosting habitat. Singing male densities of 3.4 birds/1oo ha on were found on New Brunswick elearcuts, 0.24 birds/IOO ha on northern Maine...
Authors
C.P. Nicholson, S. Homer, Ray B. Owen, T.G. Dilworth
Interstitial waters of marine sediments Interstitial waters of marine sediments
No abstract available.
Authors
Frank T. Manheim
The four Jurassic belts of northern California and their significance to the geology of the southern California borderland The four Jurassic belts of northern California and their significance to the geology of the southern California borderland
No abstract available.
Authors
D. L. Jones, M. Clark Blake, C. Rangin
Federal agency requirements example—Department of the Interior Federal agency requirements example—Department of the Interior
No abstract available.
Authors
G. A. Thorley
Thermal effects on fish ecology Thermal effects on fish ecology
Of all the environmental factors that influence aquatic organisms, temperature is the most all-pervasive. There is always an environmental temperature while other factors may or may not be present to exert their effects. Fish are, for all practical purposes, thermal conformers, or obligate poikilotherms. That is, they are able to exert little significant influence on maintaining a...
Authors
Charles C. Coutant
Magnetic measurements of Lake Yogo samples Magnetic measurements of Lake Yogo samples
No abstract available.
Authors
Thor N. V. Karlstrom
Textural variation within Great Salt Lake algal mounds Textural variation within Great Salt Lake algal mounds
This chapter discusses textural variation within the Great Salt Lake algal mounds. Great Salt Lake algal mounds contain: (1) a framework of non-skeletal, algally induced aragonite precipitates; (2) internal sediment; and (3) inorganic cement. These three elements create a variety of laminated, poorly laminated, and unlaminated internal textures. Interior framework precipitates bear...
Authors
Robert B. Halley
Beacon Hill end moraine, Boston: new explanation of an important urban feature Beacon Hill end moraine, Boston: new explanation of an important urban feature
The usefulness of geology to engineers is in direct proportion to how well it helps us predict the subsurface; these predictions, in turn, depend on our knowledge of the geomorphic processes that molded the terrain. The uncertainties of interpretation are particularly great in glaciated terrain because our understanding of both glacial processes and history is so incomplete, a fact well
Authors
Clifford A. Kaye
Chemical control of the sea lamprey: the addition of a chemical to the environment Chemical control of the sea lamprey: the addition of a chemical to the environment
Abstract not submitted to date
Authors
C. M. Menzie, J.B. Hunn