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[1]: 37 Iron from the Gogebic helped to fuel the industrial boom in the Upper Midwest during these years. By 1930 mining was winding down in the area. The mines began closing as the national economy suffered from the Great Depression. The result was widespread economic devastation in the communities of the Gogebic Range.
Coal extraction was known in the area from as early as 1376 but large-scale development was left until the tenure of Francis Egerton, 3rd Duke of Bridgewater. [1]The first drainage sough was cut into the Earl of Bridgewater's estates in Worsley on the Manchester Coalfield in 1729 under the auspices of John Massey, the mines agent of Scroop Egerton, the 4th Earl and 1st Duke of Bridgewater.
The coal mining communities, or coal towns of Raleigh County, West Virginia were situated to exploit the area's rich coal seams. Many of these towns were located in deep ravines that afforded direct access to the coal through the hillsides, allowing mined coal to be dropped or conveyed downhill to railway lines at the valley floor. [1]
Vanadium mining (1 C) Z. Zinc mining (3 C, 1 P) This page was last edited on 20 June 2016, at 14:01 (UTC). Text is available under the Creative Commons ...
various oil-shale horizons [1] Monktonhall Colliery was abandoned in 1997 and Blinkbonny mine adit was sealed in 2003 so bringing to an end a long history of deep-mining of coal within the coalfield. Opencasting has continued at various sites since then including Blinkbonny, Oxenfoord, Gourlaw and Newbigging Farm. [2]
A survey of the River Ystwyth in 1919 showed that due to mining activity in the area, the fauna was restricted to nine species, mostly of insects. The lead concentration in the river was found to be 0.4 mg/L. In 1922, another survey was conducted; the number of species had increased to 26, with the lead concentration decreasing to below 0.1 mg/L.
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 ...
Wau is a town in Papua New Guinea, [1] in the province of Morobe.It has a population of approx 5,000 and is situated at an altitude of around 1100 metres. Wau was the site of a gold rush during the 1920s and 30s when prospective gold diggers arrived at the coast at Salamaua and struggled inland along the Black Cat Track.