F H Knowlton / Fossil Flora of the John Day Basin Oregon 1902

Description: Fossil Flora of the John Day Basin Oregon Author: Knowlton, F. H. Title: Fossil Flora of the John Day Basin Oregon Publication: Washington, D. C. U. S. Geological Survey, 1902 Description: Hardcover. Very Good with no dust jacket. Unmarked. Probably never been read. ; Book Description; Spine has no signs of creasing. Pages are clean and not marred by notes or folds. Covers are square with minor wear. Ships Safe and Fast. Published without Dust Jacket. Rebound original paperback edition, red boards with guild lettering on spine. Numerous plates. This investigation is progressing satisfactorily, and at no distant day it is hoped to have it in form for final publication. From time to time various members of the United States Geological Survey, as well as others not connected with this organization, have sent in small collections of fossil plants for determination. These have been studied and reported upon as fully as the condition of the problem permitted, so that the determinations could be immediately available to geologists, but with the reservation that none of the questions could be fully settled until all known material had been studied and properly correlated. The rich fossil plant deposits in the John Day Basin, as set forth more fully in the historical account which follows, have been known for a period of nearly fifty years, but their study has been carried on in a more or less desultory manner. There has also been considerable confusion as to the horizons whence these plants came. As various species of plants described originally from the John Day region were detected in various other localities in Oregon, and in surrounding areas, as central Washington, western Idaho, and northern California, it became more than ever apparent that a thorough study of all material obtainable from this type area would be necessary before any definite or satisfactory conclusions could be reached. ; U. S. Geological Survey Bulletin; Vol. 204; B&W Illustrations; 8vo 8" - 9" tall; 153 pages DS1. Seller ID: 18689 Subject: Earth Science, Mining Crossroads Books Specializing in metaphysical occult books with smattering of other genres. Terms All orders ship within two business days. Standard mail is USPS Media Mail. Expedited and international shipping are also available. We offer combined shipping on multiple orders. All items are guaranteed to be as described or they may be returned within 30 days of receipt for a full refund.This listing was created by Bibliopolis.

Price: 28.6 USD

Location: Reno, Nevada

End Time: 2025-01-28T01:34:38.000Z

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