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Page 6107, results 152651 - 152675

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Publication Extents

Not all publications have extents, not all extents are completely accurate
The trumpeter swan: its history, habits, and population in the U.S
Winston E. Banko
1960, North American Fauna 63
This report on the trumpeter evolved from studies made from 1948 to 1957 when I served first as an assistant and later as manager, of the Red Rock Lakes Refuge. I have also drawn extensively on the records of the National Park Service, the U. S. Fish and Wildlife Service,...
Zones and zonal variations in welded ash flows
R. L. Smith
1960, Professional Paper 354-F
Welded tuffs are recognized as special parts of ash flows, other pyroclastic flows, or, more rarely, air-fall deposits. Ash flows may be emplaced at any temperature below a maximum eruption temperature. Those emplaced above a minimum welding temperature may show any and all degrees of welding and crystallization. ...
The Foraminiferal Genus Orbitolina in North America
Raymond Charles Douglass
1960, Professional Paper 333
The foraminiferal genus Orbitolina has been useful as an index fossil in the Cretaceous rocks of the circumglobal equatorial belt for nearly a century. In Europe and the Near and Middle East enough work has been done on the species to allow their use for approximate correlations within the Cretaceous...