Leviathan Mine (original) (raw)
Leviathan Mine is a United States superfund site (CERCLIS ID: CAD98067685) at an abandoned open-pit sulfur mine located in Alpine County, California. The mine is located on the eastern slope of the Sierra Nevada at about 7,000-foot (2,100 m) elevation, 6 miles (9.7 km) east of Markleeville and 24 miles (39 km) southeast of Lake Tahoe. The mine site comprises approximately 250 acres (100 ha) of land surrounded by the Toiyabe National Forest, which is only accessible a few months a year. The approximately 22 million tons of sulfur ore-containing crushed rock at the mine are responsible for contaminating the Leviathan and Aspen Creek, which join with Mountaineer Creek to form Bryant Creek which ultimately empties into the East Fork of the Carson River. These water bodies are listed as 303(d)
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| dbo:abstract | Leviathan Mine is a United States superfund site (CERCLIS ID: CAD98067685) at an abandoned open-pit sulfur mine located in Alpine County, California. The mine is located on the eastern slope of the Sierra Nevada at about 7,000-foot (2,100 m) elevation, 6 miles (9.7 km) east of Markleeville and 24 miles (39 km) southeast of Lake Tahoe. The mine site comprises approximately 250 acres (100 ha) of land surrounded by the Toiyabe National Forest, which is only accessible a few months a year. The approximately 22 million tons of sulfur ore-containing crushed rock at the mine are responsible for contaminating the Leviathan and Aspen Creek, which join with Mountaineer Creek to form Bryant Creek which ultimately empties into the East Fork of the Carson River. These water bodies are listed as 303(d) impaired. The site location is seismically active. (en) Leviathan Mine is een verlaten zwavelmijn in de open lucht in het Sierra Nevada-gebergte, meer bepaald in Alpine County in de Amerikaanse staat Californië. De mijnplaats bevindt zich op 2100 meter boven het zeeniveau, 10 kilometer ten oosten van Markleeville, en omvat zo'n 100 hectare land. Ze wordt omgeven door het Toiyabe National Forest. De mijn werd in 1863 in gebruik genomen, ten tijde van de Comstock Lode-zilverkoorts. Tussen 1863 en 1870 werd er 500 ton kopersulfaat ontgonnen, wat gebruikt werd om zilvererts te verwerken. Na de ontdekking van zwavel in een van de mijngangen, werd de mijn verlaten. Tussen 1935 en 1941 ontgon hier 5.000 ton zwavel. In 1951 werd de mijnplaats, waar voorheen ondergrondse delfstoffen werden ontgonnen, omgevormd tot een open-pit mijn door de . Tot 1962 werd hier 500.000 long ton zwavel weggehaald. Omdat er tijdens de laatste ontginningen zuur mijnwater naar omliggende waterlopen is gelekt, wordt de plek sinds de jaren 80 opgekuist om verdere milieuschade te voorkomen. De opkuis gebeurde eerst onder toezicht van lokale overheden, maar wordt sinds 1997 – deels onder impuls van de plaatselijke Washo-indianen – geleid door het Environmental Protection Agency. EPA erkent de Leviathan Mine sinds 2000 als een , wat betekent dat de opkuis ervan de hoogste prioriteit heeft. Waterlopen in de omgeving, die aflopen naar de Carson, zijn namelijk al vervuild met zuur mijnwater. (nl) |
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| dbp:caption | Leviathan Mine from the air, with reclamation in progress, 2010 (en) |
| dbp:cdp | dbr:Markleeville,_California |
| dbp:cerclisId | 9.8067685E7 |
| dbp:contaminants | Acid mine drainage: sulfuric acid, arsenic, copper, nickel, zinc, chromium, aluminum, iron (en) |
| dbp:county | dbr:Alpine_County,_California |
| dbp:listed | 2000-11-05 (xsd:date) |
| dbp:locationMap | USA California (en) |
| dbp:name | Leviathan Mine (en) |
| dbp:proposed | 10 (xsd:integer) |
| dbp:state | dbr:California |
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| dcterms:subject | dbc:Geography_of_Alpine_County,_California dbc:Buildings_and_structures_in_Alpine_County,_California dbc:Superfund_sites_in_California |
| gold:hypernym | dbr:United |
| georss:point | 38.706295 -119.652117 |
| rdf:type | owl:Thing yago:WikicatBuildingsAndStructuresInAlpineCounty,California geo:SpatialThing yago:Artifact100021939 yago:Building102913152 yago:Object100002684 yago:PhysicalEntity100001930 yago:YagoGeoEntity yago:YagoPermanentlyLocatedEntity yago:Structure104341686 yago:Whole100003553 |
| rdfs:comment | Leviathan Mine is a United States superfund site (CERCLIS ID: CAD98067685) at an abandoned open-pit sulfur mine located in Alpine County, California. The mine is located on the eastern slope of the Sierra Nevada at about 7,000-foot (2,100 m) elevation, 6 miles (9.7 km) east of Markleeville and 24 miles (39 km) southeast of Lake Tahoe. The mine site comprises approximately 250 acres (100 ha) of land surrounded by the Toiyabe National Forest, which is only accessible a few months a year. The approximately 22 million tons of sulfur ore-containing crushed rock at the mine are responsible for contaminating the Leviathan and Aspen Creek, which join with Mountaineer Creek to form Bryant Creek which ultimately empties into the East Fork of the Carson River. These water bodies are listed as 303(d) (en) Leviathan Mine is een verlaten zwavelmijn in de open lucht in het Sierra Nevada-gebergte, meer bepaald in Alpine County in de Amerikaanse staat Californië. De mijnplaats bevindt zich op 2100 meter boven het zeeniveau, 10 kilometer ten oosten van Markleeville, en omvat zo'n 100 hectare land. Ze wordt omgeven door het Toiyabe National Forest. (nl) |
| rdfs:label | Leviathan Mine (en) Leviathan Mine (nl) |
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| geo:long | -119.652115 (xsd:float) |
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