power plant sites and rights-of-way on Salmon Creek, emptying into Gastineau Channel; also on Annex Creek and Carlson Creek, emptying into the Taku Inlet; and on Granite Creek, Gold Creek and Lurvey Creek. Operations With the exception of the coarse-crushing plant, the four sections of the mill were housed in one large building. The mill was built of concrete and structural steel. The coarse-crushing plant was situated on the mountainside at the terminus of the railroad at an altitude of above sea level. The fine-crushing plant was housed in the same building as the concentrating mill. The lowest floor of the concentrating mills was above sea level, affording ample grade for the disposal of the tailing, which was carried into the Gastineau Channel. About 6,000 horsepower of electricity was required to operate the mines and mills. The big Salmon Creek power stations, owned by the company and erected at the same time as the mine and mill development, furnished the power. There were two stations, one at sea level near the mouth of the stream, and the other at the upper end of the first basin at an altitude of immediately below the falls. A concrete dam held in storage of water as reserve to keep the Pelton wheels moving during the winter months. The Post office was situated in the company's general store. A school was established in a building provided by the company. Private businesses were conducted nearby by consent of the company, including a steam laundry. Liquor was not sold on the premises, but it could be obtained in Douglas or Juneau. Major projects While under Thane's management, the company conceived of and constructed the Salmon Creek Dam and hydroelectric facilities (completed in 1912), and also the Annex Creek plant (completed in 1916), both designed by Harry L. Wallenberg, chief engineer. Salmon Creek Dam, the first thin arch dam ever constructed, was built by Thane with the assistance of some of his former football teammates. References Archives Alaska Gastineau Mining Company Annual Reports. 1916-1920. 0.58 cubic feet. Edwin Gardner Ames Papers. 1856-1931. Approximately 70 cubic feet. At the Labor Archives of Washington, University of Washington Libraries Special Collections. Asahel Curtis photographs. 1874-1941. 5.46 cubic feet (13 boxes), 1,678 photographic prints. Gold mining in Alaska Defunct companies based in New York City Non-renewable resource companies disestablished in 1934 Non-renewable resource companies established in 1911 1911 establishments in New