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[[underlined]] Desert [[/underlined]]

[[underlined]] June 24 [[/underlined]] Left camp at 7 and before noon struck the Dry River (14 miles) where we stopped for lunch. Then climbed a ridge to 4800 feet & down through a basin and up over a higher ridge and then down a long slope and camped 15 miles S of Prineville at 3550 feet. Aneroid read 4900 at starting.

Came over sage brush ridges & valleys most of the way and for about 10 miles over soft pumice soil. A row of Pinus ponderosa crosses the road at one point on a ridge of white pumice. The main crater ampitheater of the Paulina Mts. shows to advantage from the east sid. It is high with snow on north slopes. is circular & dome shaped. Many small craters are scattered all around it. Heavy pine forest covers the Paulina Mts.

At camp and for 10 miles north the plants are mainly Transition species, but in the Dry River Valley several good Sonoran species are common. The road leads over high ridges north of this valley but to the N.W. it seems to open out to the lower Des Chutes River valley and to the east [[strikethrough]] it [[/strikethrough]] the valley is almost or quite confluent with the Bear Creek Valley. Briefly, Sonoran species range freely into Dry River Valley [[strikethrough]] and [[/strikethrough]] from the Deschutes & Bear Creek valleys are separated from the Christmas Lake Sonoran area by only a low, open Transition strip not over 15 miles wide and 500 feet higher A still lower gap may occur farther east.

Came 35 miles. Rained hard.