"The several denouncements embracing the group known as the Boquillas Del Carmen Mines are located in the western foothills of the Boquillas del Carmen range, and about eight miles in an air line, east of the small town of Boquillas, just across the Rio Grande River and in the state of Coahuila, Mexico"--page 1.
Professional Degree in Mining Engineering
Missouri School of Mines and Metallurgy
i, 16 pages
Boquillas del Carmen (Mexico : State)
© 1908 J. A. Gregory, All rights reserved.
Thesis - Open Access
Lead mines and mining -- Mexico -- Boquillas del Carmen
Silver mines and mining -- Mexico -- Boquillas del Carmen
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Link to Catalog Recordhttp://merlin.lib.umsystem.edu/record=b2610202~S5
Gregory, James Asa, "Report of La Mina Boquillas Del Carmen, of Coahuila, Mexico" (1908). Professional Degree Theses. 231.