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Independence Mines, Alaska

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Mining became the mill operator for the partners. During 1981, extensive underground exploration and development were conducted, and 3,000 tons of ore grading 0.5 oz/ton was stockpiled. The ore occurs in quartz veins that occupy north-northwest-trending shear zones along the southern border of the Talkeetna Batholith. The veins contain: pyrite, arsenopyrite, molybdenite, galena, tetrahedrite and free gold. Stockpiled ore has been treated in a 150-TPD mill near the mine site. The mill contains jig and flotation units, a batch- cyanide system, and a Merrill-Crowe precipitation circuit. The mine and mill facility were dedicated in August 1982. In November 1982, Coronado suspended operations for an undisclosed period, citing problems with recovery in the mill as the reason for closure. Company officials have not released total expenditures for the project, but sources estimate development costs through 1983 at $ 6 million (~$ 15.4 million in 2023). This figure includes construction of the new mill, living quarters for 30 workers, and several thousand feet of development drifting (including a 3,150-ft (960.1-m) access tunnel). In 1983, the tailings pond was sealed with a bentonite or (TM) extract. Test runs of mill ore produced satisfactory results, but production of gold from mill runs is unknown. An undisclosed amount of subsurface work was also conducted on the property.
266: 275: 257: 1176: 1857: 1192: 77: 61: 233:. The company and the miners that preceded it built a substantial mining camp, with as many as sixteen wood-frame buildings, which were originally connected to each other by sheltered wooden "tunnels". When the company ended operations in 1950, it had expected to eventually resume operations, but never did; this resulted in a particularly well-preserved collection of mining equipment and buildings, although the weather has since taken a significant toll on the latter. 1868: 84: 229:. The area's mining history dates to at least 1897, when active claims were reported in the vicinity of Fishook Creek. These early mining efforts were eventually joined to form the Wasilla Mining Company, which worked the mines from 1934 to 1943, and again from 1948 to 1950. The mining operation at Independence was the second-largest hard-rock gold mining operation in the state, after a larger site near 247:
The Independence Gold Mine, located approximately 70 mi (112.7 km) north of Anchorage, has produced in excess of 165,500 oz (4,691.9 kg) of gold. In 1979, Starkey Wilson obtained an option on the property and, in 1981, Enserch Corporation (Dallas, Texas) became a 50-percent partner. Coronado
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The mine resumed underground operations in 1979 via Starkey Wilson and Chuck Hawley's Coronado Mining Inc, with the intent to base milling and mine operations on the Willow side (opposite the side of the dedicated State Park)
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Alaska Division of Geological and Geophysical Surveys Alaska Office of Mineral Development, Special Report #33
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in 1974. The land was donated to the state in 1980, which established a state historic park on the site.
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Buildings and structures on the National Register of Historic Places in Matanuska-Susitna Borough, Alaska
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Climate data for Independence Mine, Alaska, 2006–2020 normals, 1998-2020 extremes: 3550ft (1082m)
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There are no sites listed on the National Register of Historic Places in Kusilvak Census Area.
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Industrial buildings and structures on the National Register of Historic Places in Alaska
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University and college buildings listed on the National Register of Historic Places
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National Register of Historic Places listings in Matanuska-Susitna Borough, Alaska
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List of jails and prisons on the National Register of Historic Places
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Independence Mine, Palmer, Matanuska-Susitna Borough, AK
217:, is the site of a former gold mining operation in the 1093:"Independence Mine, Alaska 1991-2020 Monthly Normals" 1439:
History of the National Register of Historic Places
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National Oceanic and Atmospheric Administration 1887: 1862:National Register of Historic Places portal 1916:Historic American Engineering Record in Alaska 1394: 1142: 100:About 14.2 miles (22.9 km) northwest of 294:Independence Mine State Historic Park has a 1123:", 4 photos, 1 photo caption page 1906:Buildings and structures completed in 1934 1401: 1387: 1149: 1135: 283:Views of Independence Mine in Hatcher Pass 59: 1410:U.S. National Register of Historic Places 48:U.S. National Register of Historic Places 996:"NRHP nomination for Independence Mines" 1018:"Independence Mine State Historic Park" 18:Independence Mine State Historical Park 14: 1888: 990: 988: 969:"National Register Information System" 1382: 1130: 1063: 215:Independence Mine State Historic Park 1162:National Register of Historic Places 1117:Historic American Engineering Record 1085: 974:National Register of Historic Places 238:National Register of Historic Places 985: 961: 24: 1825:National Historic Preservation Act 236:The mining camp was listed on the 25: 1967: 1110: 1020:. State of Alaska. Archived from 180:N. Lester Troast & Associates 65:Remains of the tram and work camp 1946:Ghost towns in the United States 1896:1950 disestablishments in Alaska 1867: 1866: 1855: 1190: 1174: 273: 264: 255: 82: 75: 1045:Alaska's Minerals Industry 1983 930:Source 2: NOAA (Precipitation) 1778:Federated States of Micronesia 1424:Architectural style categories 1036: 1010: 188: 13: 1: 1936:1934 establishments in Alaska 954: 1951:Ghost towns in North America 29:United States historic place 7: 937: 641:Mean daily minimum °F (°C) 501:Mean daily maximum °F (°C) 10: 1972: 1956:Towns in the United States 1830:Historic Preservation Fund 1809:American Legation, Morocco 949:List of Alaska state parks 929: 924: 311: 289: 1850: 1817: 1796: 1771:Lists by associated state 1770: 1729: 1462: 1416: 1369: 1306: 1297: 1199: 1188: 1181: 1172: 850: 780: 710: 640: 570: 500: 430: 360: 355: 352: 349: 346: 343: 340: 337: 334: 331: 328: 325: 322: 319: 316: 199: 187:NRHP reference  186: 175: 167: 152: 144: 107: 96: 70: 58: 54: 45: 38: 34: 1752:Northern Mariana Islands 1119:(HAER) No. AK-8, " 998:. 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Index

Independence Mine State Historical Park
U.S. National Register of Historic Places

Independence Mines, Alaska is located in Alaska
Palmer, Alaska
61°47′25″N 149°17′05″W / 61.7903°N 149.28467°W / 61.7903; -149.28467
N. Lester Troast & Associates
74000440
Talkeetna Mountains
Hatcher Pass
Palmer, Alaska
Juneau
National Register of Historic Places
"A view from above of approximately twenty snow-covered buildings, backed immediately by large, snow-covered mountains in shadow."
"A wooden building with slanted roofs and a cable coming out of one of the towers. Large, smooth drifts abut the building on one side, and only a three-story tower is fully exposed. In the background is a wide valley, with more mountains on the other side."
"A top-down view of the site, showing approximately 10 wooden buildings in the snow. Groomed cross-country ski trails weave through and around the buildings."
tundra climate
Köppen
precipitation
National Register of Historic Places listings in Matanuska-Susitna Borough, Alaska
List of Alaska state parks
"National Register Information System"
National Register of Historic Places
National Park Service


"NRHP nomination for Independence Mines"
"Independence Mine State Historic Park"
the original
Alaska's Minerals Industry 1983

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