International Geological Congress : XVI. session, United States, 1933. Guidebook 21: Excursion C-2, Central Oregon - Chaney, Ralph W. (Ralph Works), 1890-1971; International Geological Congress 1933 : Washington, D.C.) (Washington : United States Government Printing Office, 1932)
Keywords: regionální geografie; regionální geologie; stratigrafie; regional geography; regional geology; stratigraphy; Oregon; Oregon; exkurzní průvodce; excursion guidebooks