Core Drilling at Shaft Sites of Proposed Mine-Water Drainage Tunnel: Anthracite Region of Pennsylvania
Description: From Scope of Report: "This report deals with the diamond drilling of 15 holes at the shaft of the proposed main drainage tunnel and with the information obtained by a petrographic examination of the core drillings from these boreholes.
Creator: Ash, S. H. (Simon Harry), b. 1889; Doherty, R. Emmet; Miller, P. S.; Romischer, W. M. & Smith, J. D.
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Partner: UNT Libraries Government Documents Department