Salt 1947 Journal Cottonwood Spring, Elevation 3000', Riverside Co., Calif. April 25 (cont.) We found several couples vacationing here and the region right around the spring is rather congested. Didn't do any observing as it got too dark. Set up camp, and after dinner put up a white-crowned Sparrow Mr. Stebbins (Dr. Stebbins father) collected earlier in the day. April 26. We had rain and lightning during the early evening and night up until about 12 Midnight last night. Got up and checked the birds about the camp. Cottonwood Spring lies at the head of a small south facing canyon about three miles north of the highway from Blythe to Indio. The ground is composed largely of reddish granite boulders varying in size from six feet in diameter to pebble size. The "under strata" is solid granite. In most of the hollows on the hillsides and in the washes there is a layer of coarse sand over the granite. The vegetation is sparse and evenly spaced consisted of a Mohave Yucca, Creosote bush association with desert willow, and mesquite in the washes. In the immediate vicinity of the spring are several large