Horsethief Cave Survey Weekend May 20-22
If you’re not already familiar with Horsetheif Cave, it’s something like 20 miles long and likely not fully explored. A previous map exists but is incomplete and inaccurate. So, NRMG cavers and …
The rest of this trip report is for members. Membership is $12 a year and gets you every trip report, the newsletter archive and the member directory, and it supports cave conservation in Montana and Wyoming.