By Lisa Gaumnitz, Foundation member and volunteer (guest blogger)   The sign off the highway announced “Ridgeway Pine Relict State Natural Area” but there were no other clues we had arrived at one of Wisconsin’s unique landscapes to help sow prairie seeds and burn brush that crisp January day. No cars, no people, no sublime nature — just a sign next to a nondescript house with a field behind it and a windbreak of pine...