https://www.blm.gov/documents/oregon-washington/public-room/map/lakeview-crack-ground-green-mountain
Oregon - Crack in the Ground & Green Mountain Campground (Georeferenced) | Bureau of Land Management
crack in the ground
https://www.blm.gov/visit/crack-ground
Crack-In-The-Ground - | Bureau of Land Management
Crack-in-the-Ground is an ancient volcanic fissure over 2 miles long and up to 70 feet deep. Normally, fissures like this one are filled with soil and rock by...
crack in the groundbureaulandmanagement