You cannot drive 100 yards off road for game retrieval. Forest Service rules allow you to drive 100 yards off road for camping.
The Rio Grande National Forest has some screwy game retrieval laws unique to that area though.

Last edited by exbiologist; 07/26/14.

"For some unfortunates, poisoned by city sidewalks ... the horn of the hunter never winds at all" Robert Ruark, The Horn of the Hunter