Unit 4 is open according to the posted map below. Updated 04 Sep 2013. There are safety hazards associated with the closed portions of this Unit. If you have any question regarding closed portions of this Unit ask a staff member prior to going on Range. This map is also posted at each informational kiosk. Delta and Durden Roads are open to vehicle traffic.
Tank Trail through Charlie Range is no longer accessible see Map below for alternate vehicle trail.
Unit 13 has a small section closed illustrated in the Map below