University of Arizona

                                             Special Collections will be closed December 20, 2023 through January 1, 2024 in observance of the University Holiday break.

Kennecott Copper Corporation, Braden Unit Records

1938 to 1953
MS 158
Collection Guide

In 1915, Kennecott Copper Corporation secured a controlling interest in the Braden Copper Company, located near Rancagua, Chile. Includes an account of the history, geology, mining methods and mine safety, with accompanying maps, photographs, and charts, of the Braden Unit of the Kennecott Copper Corporation. This was prepared for the American Mining Congress in 1952-1953; the charts are dated from 1938 through 1952, and the six photographs are of equipment. Also includes a set of blueprints of diamond drilling equipment, dated 1943 to 1952; and construction plans and calculations for various mining operations and buildings.

Included materials:
Manuscript
Subject Area:
Mining
Collection Area:
Borderlands

Land Acknowledgement

We respectfully acknowledge the University of Arizona is on the land and territories of Indigenous peoples. Today, Arizona is home to 22 federally recognized tribes, with Tucson being home to the O’odham and the Yaqui. Committed to diversity and inclusion, the University strives to build sustainable relationships with sovereign Native Nations and Indigenous communities through education offerings, partnerships, and community service.