Editor and Publisher 1924-03-08: Vol 56 Iss 41 ( ) Title Editor and Publisher 1924-03-08: Vol 56 Iss 41 Volume 56 Publisher Duncan McIntosh Description...
Editor and Publisher 1924-05-31: Vol 57 Iss 1 ( ) Title Editor and Publisher 1924-05-31: Vol 57 Iss 1 Volume 57 Publisher Duncan McIntosh Description...
Editor and Publisher 1924-03-15: Vol 56 Iss 42 ( ) Title Editor and Publisher 1924-03-15: Vol 56 Iss 42 Volume 56 Publisher Duncan McIntosh Description...
Editor and Publisher 1923-10-27: Vol 56 Iss 22 ( ) Title Editor and Publisher 1923-10-27: Vol 56 Iss 22 Volume 56 Publisher Duncan McIntosh Description...
Editor and Publisher 1924-03-01: Vol 56 Iss 40 ( ) Title Editor and Publisher 1924-03-01: Vol 56 Iss 40 Volume 56 Publisher Duncan McIntosh Description...
and Mining Journal-Press 1924-09-20: Vol 118 Iss 12 ( ) Title Engineering and Mining Journal-Press 1924-09-20: Vol 118 Iss 12 Volume 118 Publisher...
and Mining Journal-Press 1924-03-08: Vol 117 Iss 10 ( ) Title Engineering and Mining Journal-Press 1924-03-08: Vol 117 Iss 10 Volume 117 Publisher...
and Mining Journal-Press 1924-04-12: Vol 117 Iss 15 ( ) Title Engineering and Mining Journal-Press 1924-04-12: Vol 117 Iss 15 Volume 117 Publisher...
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wikimedia.org/wiki/File:Engineering_and_Mining_Journal-Press_1925-05-30-_Vol_119_Iss_22_(IA_sim_engineering-and-mining-journal_1925-05-30_119_22).pdf...