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Portland Mine (S.D.)

 Subject
Subject Source: Local sources

Found in 1 Collection or Record:

Homestake Geology Department Papers

 Collection
Identifier: 5035
Abstract

The Homestake Geology Department Papers consist of documents, rock samples, and thin sections from 1903 to 2005. Materials include geologic, stope, diamond drilling maps and drawings; reports, correspondence, ledgers, and indexes that represent the functions and activities of the Geology Department.

Dates: 1903 - 2005