Exploration
Cadomin Cave has been known since the early 1900s when prospectors opened up the Coal Branch district, but it was almost certainly known to native peoples before then. The first cave survey was conducted in 1959 prior to the formation of Canada's caving clubs, and produced an accurate map of the passages of the upper series as far as the Mess Hall, the cave's principal chamber. In 1977 and 1978 a long-rumored lower series of passages was discovered and surveyed by members of the Alberta Speleological Society, significantly increasing the cave's measured length to 1704m and its depth to 171m. Subsequent explorations including the discovery of the decorated Crystal Crawls in 1982 and unsuccessful dives of the sump have resulted in a measured length of 2791m and a depth of 220m.
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“I call her old. She has one family
Whose claim is good to being settled here
Before the era of colonization,
And before that of exploration even.
John Smith remarked them as he coasted by....”
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