Diamond Drilling Plans--Baltic Mine Longitudinal Section of Diamond Drill Holes

Longitudinal section of the Baltic Mine down to the 39th level. Shows sites of exploratory diamond drilling. 1 of 3 documents related to diamond drilling.


<a href="https://uplink.nmu.edu/islandora/object/nmu%3A44071">See the Baltic Mine with Section of Main Lode Showing Relative Positions of Diamond Drill Holes Plan here.</a>


<a href="https://uplink.nmu.edu/islandora/object/nmu%3A44072">See the Proposed Exploration at Bottom of Baltic Mine Plan here.</a>, The Copper Range Company, which was established in 1899, operated copper mines in Houghton and Ontonagon Counties. It merged with the Louisiana Land and Exploration Company in 1977. The collection contains records concerning a number of mines and mills owned by the Copper Range Company, but the vast majority of the records are from the Champion Mine and Champion Mill in Painesdale, MI, which operated from 1899 to 1967.
Abstract/Description: Longitudinal section of the Baltic Mine down to the 39th level. Shows sites of exploratory diamond drilling. 1 of 3 documents related to diamond drilling.

See the Baltic Mine with Section of Main Lode Showing Relative Positions of Diamond Drill Holes Plan here.

See the Proposed Exploration at Bottom of Baltic Mine Plan here.
Subject(s): Copper mines and mining
Copper miners
Houghton County (Mich.)
Date Created: 1921