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Box 1

 Container

Contains 1 Result:

United States Bureau of Mines Map Collection

 Collection — Box: 1
Identifier: MS-705
Abstract

Collection, before 1989, consisting of aperature cards produced by the United States Bureau of Mines. Contains microfilmed underground maps, primarily from Houghton and Keweenaw Counties, Michigan. Also includes an index for the aperature cards.

Dates: Before 1989