At the Alaska Juneau mill from 1917-1944, ore was sorted, crushed, and treated to extract gold. Electric-powered engines hauled trains of 40 ore cars along the main haulage route form the mine two miles away in Silver Bow Basin to the AJ mill, steepest in the world. Ore fell between levels. Water came via flume from Gold Creek; in winter, the steam power plant pumped sea water from Gastineau Channel. Mill tailings or waste rock built the airport, Egan Drive, and one-third of downtown Juneau. Noted for its innovations, the AJ mill crushed almost 100 million tons of ore that produced 3½ million ounces of gold, worth billions today, making Juneau the lode (hard rock) mining capital of the world. Miners Cove is at the Warehouse No. 1 site in this 1939 photo.
1. Miners Cove (former site of Warehouse No. 1)
2. Steam Power Plant (building still standing)
3. Warehouse No. 2
4. Main office
5. Warehouse No. 3
6. Plywood Mill (not part of AJ mill)
7. Fuel Oil tanks
8. Alaska Juneau mill (foundation visible from tram and Gastineau Channel
9. Waste tram
10. Main Haulage Route (snowshed-covered train track and 3 tunnels to mine)
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