Northern Rocky Mountain GrottoMontana & Wyoming · NSS

Bighorn/Horsethief Survey - Fall Weekend (Tentative)

Saturday 10 October 2026

Armpit, Wyoming Armpit, Wyoming

Cave Trip

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Tentative end-of-season weekend, weather depending. If the forecast holds we'll get one more round of survey work in Bighorn Cavern and Horsethief Cave before winter closes in. Armpit camp. Watch the project Google Group ([email protected]) for a go/no-go call the week before - if it happens, it's usually a small, experienced crew pushing specific leads.

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