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Creator
Hawkins, Geo. T. (George T.)
Remove constraint Creator: Hawkins, Geo. T. (George T.)
Creator
Herrington, R. M. (Russell McKee), 1890-1977
Remove constraint Creator: Herrington, R. M. (Russell McKee), 1890-1977
Publisher
Geological Survey (U.S.)
Remove constraint Publisher: Geological Survey (U.S.)