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Mine management: Author: Hall, Robert Dawson, 1872- [from old catalog] Software used: Internet Archive: Conversion program: Recoded by LuraDocument PDF v2.68: Encrypted: no: Page size: 668 x 1063 pts: Version of PDF format: 1.5
The White Pine mine produced copper until 1995. In its early days the company was known for its use of advanced mining and transport systems (not all of which worked very well) including the Dashaveyor , a high speed transportation system, and what was at the time the world's largest hard rock tunneling machine to be sold to a mining company. [ 4 ]
White Pine mine - White Pine, Ontonagon County; the last mine to close in the Copper Country, in 1995; Whittlesey mine - Isle Royale, Keweenaw County; Winona mine - Winona, Houghton County; Winthrop mine - Central; Wolverine Mine - Wolverine; Wyandot mine - Twin Lakes, Houghton County; Wyoming mine - Wyoming (Helltown)
Aug. 11—ASHLAND — The Kentucky Division of Abandoned Mine Lands leads the effort to prevent hazards from abandoned coal mines to promote public health, safety and the environment across the ...
Iowa has more than 13,000 acres of abandoned mine land. The department has reclaimed 120 sites and currently has more than 30 sites in the planning or construction phase. There are 140 sites ...
With a population of six hundred, it was renamed for mine promoter W. H. Hamilton. The post office first opened for business on August 10, 1868 [4] while the community was still part of Lander County, Nevada. White Pine County was formed in March 1869, and Hamilton was selected as the first county seat.
The Green Tree facility provides and stores, digitally and in microfilm (aperture cards), [4] over 182,000 maps of abandoned mines. This repository contains maps of mine workings from the 1790s to the present day. [5] It serves as a point of reference for mine maps and other information for both surface and underground mines throughout the ...
In 1955 the Copper Range Company began large-scale mining at the White Pine mine, near the old Nonesuch mine. The deposit is a stratiform deposit in the lower 15 m of the Proterozoic Nonesuch Shale and the upper 2 m of the underlying Copper Harbor Conglomerate.