About 1,100 individual maps representing about 230 mines comprise the Washington State coal mine map collection. The maps are an invaluable source of information for mine subsidence hazard evaluation and mitigation, structural geology, coal exploration, resource evaluation, and historical research.. Coal mine maps are organized by county and.. Charts, maps, timelines, and other analysis of in Washington. 1,737 mines in Washington were observed to have ore mineralization in an outcrop, shallow pit, or isolated drill hole—known as an occurance mine. 1 Washington has 1,591 prospect mines. 2 1,625 mines were in production at the time the data was entered into USGS records.
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Washington produces common clay, construction sand and gravel, crushed stone, diatomite, dimension stone, gold, industrial sand and gravel, lime, olivine, peat, and portland cement. The following data table gives nonfuel mineral commodity production data for Washington extracted from Table 5 in the 2019 Minerals Yearbook Statistical Summary. e.. Coal mine map of the Coal Creek Mine About 1,100 individual maps representing about 230 mines comprise the Washington State coal mine map collection, which is held at the Washington Geological Survey. The maps are an invaluable source of information for mine subsidence hazard evaluation and mitigation, structural geology, coal exploration, resource evaluation, and historical
