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Page 6557, results 163901 - 163925

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Publication Extents

Not all publications have extents, not all extents are completely accurate
The Triassic cephalopod genera of America
Alpheus Hyatt, J.P. Smith
1905, Professional Paper 40
The marine Triassic section of .America is unusually complete, and its thickness compares favorably with that of any other region. All three subdivisions-Lower, Middle, and Upper Triassic--are represented by calcareous deposits, aggregating approximately 4,000 feet in thickness. Of this amount, about 800 feet belong to the Lower Triassic, about 1,000...
Hydrography of the Susquehanna River drainage basin
John Clayton Hoyt, Robert H. Anderson
1905, Water Supply Paper 109
A detailed study of the hydrographic features of the Susquehanna River drainage basin has revealed the existence of a large amount of interesting data. These, however, are widely distributed in various publications and manuscripts which are in most cases inaccessible. This paper has been prepared to meet the constant demand...
Experiments on schistosity and slaty cleavage
George Ferdinand Becker
1904, Bulletin 241
Schistosity as a structure is important, and it is a part of the business of geologists to explain its origin. Slaty cleavage has further and greater importance as a possible tectonic feature. Scarcely a great mountain range exists, or has existed, along the course of which belts of slaty rock...