Looking over a section map similar to what they will produce en masse for the entire state are, from left to right: A. D. Zapp, United States geologist in charge; E. R. Branson, aerial geologist for Kentucky Geological Survey; Dr. C. A. Anderson, chief geologist of the U. S. Geological Survey; and Dr. Wallace Hagen, director and state geologist of the Kentucky Geological Survey
University of Kentucky.
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- University of Kentucky