Plans 30-35-40-45-50 Ft. 3/8 Sec Tripartite Steel Poles for Baltic Mining Company

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“Plans 30-35-40-45-50 Ft. 3/8 Sec Tripartite Steel Poles for Baltic Mining Company”. Drawings (visual works). Baltic Mine. Adams Township. https://uplink.nmu.edu/node/69179.

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