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1. Revolution in coal.

Creator Personal:
Wolfert, Ira.
Title:
Revolution in coal.
Call Number:
P3409
Date:
1954
Description:
Journal article reprint from: Reader's Digest, 1954:Dec.
Subject Topical:
Coal mines and mining--Pennsylvania., Coal mines and mining--West Virginia., Coal mines and mining--United States.
All:
Coal mines and mining--West Virginia., Coal mines and mining--United States., Coal mines and mining--Pennsylvania.