
Benedict, C. Harry; U. S. Department Of Commerce, Bureau Of Mines

Munro, A. C.; Pearse, H. A.; U. S. Department Of Commerce, Bureau Of Mines

Fuller, Myron L.; Department Of The Interior, U. S. Geological Survey

Taff, Joseph A.; Department Of The Interior, U. S. Geological Survey

Hayes, Charles Willard; Department Of The Interior, U. S. Geological Survey


Public Service Commission Of Oregon

Mills, George; Grove, Richard; Colorado Springs Fine Arts Center, Taylor Museum

Riesenberg, Saul H.; Shigeru Kaneshiro



Vincent, Eugene; Translated By Dulles, Charles W.




Ingall, Elfric Drew; Brumell, H. P. H.; Geological Survey Of Canada

Flint, Albert S., Editor; Wisconsin Academy Of Sciences, Arts And Letters

U. S. Senate, 54th Congress

U. S. Senate, 54th Congress; Clark, Judge Walter; Parsons, Prof. Frank

Pennsylvania Department Of Agriculture, Division Of Zoology

Pennsylvania Department Of Agriculture, Division Of Zoology

Pennsylvania Department Of Agriculture, Division Of Zoology

Pennsylvania Department Of Agriculture, Division Of Zoology
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