Economic benefits of systematic roof bolting in Ziegler No. 3 Mine, Bell & Zoller Coal & Mining Co., Williamson County, Ill.
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Book Details
Author(s)
L. W. Kelly
Publisher
University of Michigan Library
ISBN / ASIN
B003HKQQFS
ISBN-13
978B003HKQQF9
Marketplace
India 🇮🇳
