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Glacial Grooves in Rock

Geography, Earth Science, Geology, Glacial Grooves in Rock [Unique rock formation and grass covering]

Scanned: March 27, 2007


Underground Works of the North West Mines

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Geography, Maps, Earth Science, Geology Map showing the Kelly Vein, Hogan Vein and Stoutenburgh Vein.

Scanned: March 19, 2009


Topographical Plan of the Cliff Mine

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Geography, Maps, Earth Science, Geology Map showing the Cliff Mine situated on Keweenaw Point in the S.W. quarter of Sec. 36. Town .58 .N.R. 32.W.

Scanned: March 19, 2009