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Page 6548, results 163676 - 163700

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Contributions to economic geology, 1905: Coal, lignite, and peat
M. R. Campbell, Charles Butts, Ralph Arnold, N. M. Fenneman, H. S. Gale, W. T. Lee, F. C. Schrader, W. C. Phalen, G. H. Ashley, F. B. Peck, G. B. Richardson, J. A. Taff, N. H. Darton, C.A. Fisher, A.G. Leonard, A. C. Veatch
1906, Bulletin 285-F
No abstract available....
The Tertiary and Quaternary pectens of California
Ralph Arnold
1906, Professional Paper 47
This paper consists of two parts. The first is a brief outline of the different Tertiary and Pleistocene formations of California, giving the type localities, where, when, and by whom first described, their salient characters, where they and their supposed equiyalents are known to occur, the species of Pecten found...
The geography and geology of Alaska; a summary of existing knowledge, with a section on climate, and a topographic map and description thereof
A. H. Brooks, Cleveland Abbe Jr., R.U. Goode
1906, Professional Paper 45
Alaska, the largest outlying possession of the United States, is that great land mass forming the northwestern extremity of the North American continent, whose western point is within 60 miles of the Asiatic coast (PI. II). About one-quarter of this area lies within the Arctic Circle, and from the standpoint...