Geology of National Parks


Book Description

CD-ROM contains: Introductory text, maps, and geologically labeled photographs of all the parks.







Bibliography of North American Geology


Book Description

1919/28 cumulation includes material previously issued in the 1919/20-1935/36 issues and also material not published separately for 1927/28. 1929/39 cumulation includes material previously issued in the 1929/30-1935/36 issues and also material for 1937-39 not published separately.




Catalog of Copyright Entries


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Physical Geology


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Marble Gorge and Grand Canyon


Book Description