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The Drumheller Coal Zone, located in the lower part of the Horseshoe Canyon Formation, was mined for sub-bituminous coal in the Drumheller area from 1911 to 1979, and the Atlas Coal Mine in Drumheller has been preserved as a National Historic Site. [5]
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You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.
Drumheller was named after Samuel Drumheller, who, after purchasing the homestead of Thomas Patrick Greentree, had it surveyed into the original Drumheller townsite and put lots on the market in 1911. Also in 1911, Samuel Drumheller started coal mining operations near the townsite. [7] Drumheller got a railway station in 1912. [8]
Badlands near Drumheller, Alberta where erosion has exposed the K–Pg boundary. Paul Renne of the Berkeley Geochronology Center has reported that the date of the asteroid event is 66,038,000 years ago, plus or minus 11,000 years, based on Ar-Ar dating. He further posits that the mass extinction of dinosaurs occurred within 33,000 years of this ...