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Page 7344, results 183576 - 183600

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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...