"During the development of operations at the limestone Quarry of The Atlas Portland Cement Company, Hannibal, Mo., it was found necessary to drive a large tunnel from one open "cut" to a point where the opening up and development of other "cuts" could be carried on"--page 1.
Forbes, Carroll Ralph
Professional Degree in Mining Engineering
Missouri School of Mines and Metallurgy
iii, 17 pages
© 1920 L. James Boucher, All rights reserved.
Thesis - Open Access
Tunneling -- Case studies
Tunnels -- Design and construction -- Missouri -- Hannibal
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Electronic OCLC #
Link to Catalog Recordhttp://merlin.lib.umsystem.edu/record=b2609564~S5
Boucher, James Leonidas, "Unique method of driving large tunnel at the Hannibal Quarry of the Atlas Portland Cement Company" (1920). Professional Degree Theses. 104.