Sorry Len ,
I'm not in wyoming -i'm in boise.
10-4 on the may snow mach v.
I do know some good places to shoot b/c i've moved four times since 2002 looking for a good place to live.
Pascagoula ,mississippi has a 1000yd range that is nice and inexpensive to shoot at.
Biloxi ,Ms. on hwy.67 has a 250yd. range.
There is a place near clarksville ,ohio -clinton county sportsmens club that has a 250 yd range -very nice people.
I'll try to find more details am post it..-Mike