Cave Mapping program?
14-Sep-95 23:06:23
Sb: #190883-Cave Mapping program?
Fm: John N. Jordan 72772,1271
To: Don Landis 71673,3612
>gps
true, never thought about the rock interference, and didn't know about water
being a problem. 🙂 Sounds like your way is very good, lots of gear.
JNJ