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GREGORY (Prof. J.W.)
The Geological Factors Affecting the Strategy of the War & the Geology of the Potash Salts.
1st Ed. thus, orig. printed wraps., 33pp., map, fldg. geological sections, sketch. Offprint from Transactions of the Geological Society of Glasgow Vol. XVI, Part 1, 1916-17.
#70620
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Geological influences on the value of territory including coalfields, iron & steel production, &c. Ink presentation stamp to front from the author. Orig. printed wraps., VG.
£50
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