Brief outline description; historical notes; located in Sierra Madre, near Sinaloa boundary, 160 km. from Tepehuanes station in Durango and 150 km. from Culiacan on Southern Pacific of Mexico railroad in Sinaloa; forests; rocks and minerals, vein systems; principal mines enumerated, ore yielding about 1.5 to 2 kg. silver per ton; cost of transporting ore by muleback and railroad, to smelter is about $35 to $40 Mex. per ton.
Topia mining district, state of Durango
Boletin Minero
1928
4 pages
Article (Journal)
English
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