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The CONSOL Energy Mine Map Preservation Project is a project to preserve and digitize maps of underground coal mines in Southwestern Pennsylvania.. The project is a joint venture between the Pennsylvania Department of Environmental Protection, the United States Department of the Interior Office of Surface Mining, the University of Pittsburgh University Library System, and CONSOL Energy.
"Mining on the Comstock", depicts the headframes and mills of the various mines, and the mining technology used at Comstock, most prominently the method of square-set timbering developed there to work the veins. Comstock Lode geologic map, north. Ophir is in the top center; "qz" is quartz and signifies the Comstock Lode. [1]:
The NMMR acquires maps through public outreach directed at state and federal environmental agencies as well as mining companies, engineering and consulting firms, surveying companies, universities, and private citizens. The repository is constantly seeking donations of mine maps to add to the microfilm/digital collection. [12]
A silo (from Ancient Greek σιρός (sirós) 'pit for holding grain') is a structure for storing bulk materials. Silos are commonly used for bulk storage of grain, coal, cement, carbon black, woodchips, food products and sawdust. Three types of silos are in widespread use today: tower silos, bunker silos, and bag silos.
The mining company is a joint venture between Indonesian and American interests, with the Indonesian government through its state-owned company PT Mineral Industri Indonesia (MIND ID) and PT Indonesia Papua Metal & Mineral, a company co-owned by MIND ID and government of Papua, owning a 51.23% stake and Freeport-McMoRan owning 48.77%.
The conveyor carries the coal to rail load-out silos, where the coal is loaded into BM&LP rail cars bound for the Navajo Generating Station. Areas disturbed by mine activities cover less than half of the leasehold area, and traditional land use and occupancy are allowed to continue within the leased area where safely removed from active mining ...
Cerrejón is located in Northern Colombia in the southeast of the department of the arid plain La Guajira, close to the border with Venezuela.. The mine extends over 690 square kilometres (270 sq mi) and is situated in the northeastern part of the Cesar-Ranchería Basin, the basin of the Ranchería River, between the Sierra Nevada de Santa Marta in the west and the Serranía del Perijá to the ...
Map of the Upper Silesian Coal Basin published in 1910. The Upper Silesian Coal Basin (USCB; Polish: Górnośląskie Zagłębie Węglowe, GZW, Czech: Hornoslezská uhelná pánev) is a coal basin in Silesia, in Poland and the Czech Republic. [1] The Basin also contains a number of other minable resources, such as methane, cadmium, lead, silver ...