About Big Rock (glacial erratic)
Other, Unclassified Objects, Interesting Places, Historic Object
Big Rock (also known as either Okotoks Erratic or, by the Blackfoot, as Okotok) is a 16,500-tonne (18,200-ton) boulder that lies on the otherwise flat, relatively featureless, surface of the Canadian Prairies in Alberta. It is part of the 930-kilometre-long (580 mi) Foothills Erratics Train of typically angular boulders of distinctive quartzite and pebbly quartzite.
Source From:
Wikipedia
Highway 7, Town of Black Diamond, Alberta, Canada, T1S 0B2