meadowlark , burrowing owl , goldfinch , Brewer’s blackbirds . Several birds singing about camp whose songs I do not recognize. Retired at 9 p.m.
Friday June 7, 1907
Owl Canyon ((drawing in notebook, showing w to E cross-section of ridges, with dips, ridges numbered 1 to 5; no. 4 = Lykins; no. 5 = Dakota)) Ridge 2 strongly crossbedded at top, took picture, found aragonite crystals. At base of 3 is a strong gypsum bed which has been quarried. Arose at 4:30 a.m. Found cliff swallows busy building nests where Owl Creek cuts through ridge No. 1. Nests a little further all finished. We collected mollusca and plants where stream cuts through ridge No. 2 and started on at 9 a.m. At ranch on section line NW of Owl Canyon found Fountain conglomerate dipping