Flood Prevention in Anthracite Mines: Anthracite Region of Pennsylvania, Projects Numbers 4 and 5
Description:
From Scope of Reports: "This report covers the following: (a) A brief description of the work proposed under Projects Nos. 4 and 5; (b) the topography, geology and hydrology of the area into which the sections of the proposed tunnel are to be driven; (c) plans, costs, and construction schedules of the projects; and (d) conclusions and recommendations."
Date:
1956
Creator:
Ash, S. H. (Simon Harry), b. 1889; Dierks, H. A. & Kennedy, D. O.
Item Type:
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