Strength of ore and top rock in the red iron-ore mines of the Birmingham district, Ala.

Author: Crane, Walter R.
Year: 1926
Document Type: USBM
Issuing Agency: U.S. Dept. of Commerce, Bureau of Mines :
SUDOC: C 22.5:379
Series: Technical paper / United States Department of Commerce, Bureau of Mines ;
Report Number: 379
Subject: Iron ores--Alabama
Link: https://hdl.handle.net/2027/mdp.39015095081884

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