Big Rock By Andrew L
15,000 tonne Okotoks Erratic. This quartzite boulder is one of the world's largest known glacial erratics.
Apr 07, 2011
Family Fun, Candid Captures, Must-See Spots
15,000 tonne Okotoks Erratic. This quartzite boulder is one of the world's largest known glacial erratics.
Apr 07, 2011
Family Fun, Candid Captures, Must-See Spots