The "Gails Grove" Sign is on Aspen Mountain. Does anyone know who Gail is or was? If so please e-mail the author at AspenShrines@aol.com. Photos of this sign, taken on October 3, 2016, are shown below. Click on images to enlarge.
This sign is part of a Facebook photo album that covers various signs and plaques on Aspen Mountain (you do not need to have a Facebook account in order to view the album): https://www.facebook.com/media/set/?set=a.451981024873867.101778.100001859201674&type=1&l=9577c13e9e