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[[left page blank]] [[end page]] [[start page]] [[underlined]] Summer Lake [[/underlined]] [[underlined]] June 21 [[/underlined]] Caught a Perodipus & some Perognathus & Peromyscus, Stopped to make up skins & got a late start. Followed around the south & west edge of Summer Lake to the NW corner and camped where the road turns off to Silver Lake. Came about 25 miles over gravel road. Summer Lake Valley is probably 30 miles long by 20 wide. The lake occupies most of the bottom The sloping sagebrush mesa on the east side is several miles wide, but without water and uninhabited. On the west & south a narrow strip of valley lies between the lake shore & the base of the mountains and is cut through by numerous streams and is occupied by a continuous series of ranches. [[strikethrough]] fe [[/strikethrough]] with fields and meadows & orchards. Back of this narrow strip an abrupt escarpment rises 2000 or 3000 feet above the lake. This is called [[underlined]] Winter Ridge. [[/underlined]] It is the edge of a lava plateau and is covered with a good forest of Pinus ponderosa, Pseudotsuga & Pinus murryana. The Pinus ponderosa comes down near the base & covers the foothills. Snow drifts still lie along the east side of the crest of the ridge. Immense springs come out of the base of this ridge and streams cut down the side at frequent intervals. The rock is stratified lava, in a few places alternating with strata pumace. The ridge is the complement of the Warner Range escarpment east of Abert Lake & stands facing it with the valleys between.