Account of experience and practice of San Luis Mining Co of Tayoltita, Durango, Mexico, replacing pack mule transportation; first 100 mi trip of "caterpillar" 60 tractor from Dimas railroad station in Sinaloa to Tayoltita took 28 days, but in 3 trips tractor paid for itself in saving of freight costs; 95-hp Diesel tractor hauls twice load carried by first machine; tractor follows river bed instead of attempting to use tortuous mule trails. (see also Min J (Phoenix, Ariz) v 21 n 9 Sept 30 1937 p 30 and 52)
Going through with tractors
Min Contracting Rev
Mining and Contracting Review ; 39 , n 29
1937
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Engineering Index Backfile | 1937
SLUB | 1975
|TIBKAT | 1967
|TIBKAT | 2004
|