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Practical Coal Minng For Miners : Volume I & II / edited by E. Mason - 1st.ed. - London : Virtue & Company Limited . 1950 - xv, 345 pages .: table, illustrations .; 26 cm

ISBN:

Subjects--Topical Terms:
Coal mines and mining
Coal mining--manual guide

Dewey Class. No.: 622.33 / PRA 1950