







Kendall, Laurel; Mathe, Barbara; Miller, Thomas Ross

Costello, W. Brian



USGS Bulletin #5. Gannett, Henry



USGS Bulletin # 29. White, C.A.

USGS Bulletin # 34. White, C. A.









Pears, Thomas Clinton (Ed.)


Avey, Albert et. al. (Publication Committee Ohio State University)


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