Wagner, Walter — Representative Gamma-Ray Logs from Shallow and Deep Wells, Western Pennsylvania: Progress Report 178

Harrisburg, Commonwealth of Pennsylvania Department of Internal Affairs, Topographic and Geologic Survey, 1969. Two foldout displays of data: (1) A tall, 10-paneled diagram of the gamma readings at Mercer county; and (2) A large 16-panel display of black-and-white gamma readings. Held in a brown, string-sealed mailing envelope. "This report consists of two plates illustrating the subsurface stratigraphic sequence of western Pennsylvania, as reported by gamma-ray logs. Plate 1 shows the sedimentary column obtained from the deep Temple well in Mercer County [..]. Plate 2 contains three gamma logs, two from the oil belt, and one from the fas fields. VG: Small ink notation on the envelope in the upper corner. Clean images and clear text.