Triangular ones that come to a point. No trespassing of air space. 10% discount on helicoptering out the elk.
You can't step over a corner without a ladder, or get an elk across in your pack on quarters?
No reason for a ladder or helicopter.
Only reason the Missouri4 used a ladder was to make sure they didn't touch Iron Bar Holdings coveted Tposts and chains. Year before they swung around the Tposts and the summary judgement mentioned that was also not a violation.
