mining shafts in the area.BLM designated Virtue Flat as an off-highway vehicle riding area in the early 1980s, Gribskov said.The agency removed the vault toilets from the parking area several years later due to rampant vandalims.Gribskov said she would like to add toilets and other amenities, and she plans to apply for state grants to do the work.More information about Virtue Flat, and about Satur