Howe, H. V. W. (1922). Faunal and stratigraphic relationships of the Empire formation, Coos Bay, Oregon. University of California Publications, Bulletin of the Department of Geological Sciences. 14(3): 85-114, pls. 7-12.
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Howe, H. V. W.
1922
Faunal and stratigraphic relationships of the Empire formation, Coos Bay, Oregon
University of California Publications, Bulletin of the Department of Geological Sciences