Field Notes Dory Bell April 2, 1989 is probably not more than 50' in height in front, and behind it is about 10' to its top. Further up the hill from it is another small rock with a flat "table". The prairie falcons are in a pothole in the 50' rock, at its very crest: The pothole is less than 5' from top of rock. Anyway, Pat & I walked up the entire canyon to the reservoir, costs & 1 pt. Mallards on water. Then we hiked back down to the horse gate, and hiked up the ridge (Pine Ridge) west of Pine Canyon. Sat & ate lunch, & watched the second-to-last set of rocks on the opposite hillside. Saw nothing but 2 turkey vultures (>20), red-tails (3-5), and white-throated Swifts. After ca. 1.5 hours we