North 21 (original) copy Jan. 29/1939 at the lowest water in the canyon through which the San Diego wagon road passes about 8 kilometers (5 miles) north of Monument No. 230, 129 kilometers (81 miles) west of the Colorado River, and 98 kilometers (60 miles) east of the Pacific Ocean. Altitude, 560 meters (1,837 feet);" my note. Station No. 83 was at Coyote Well which was, I think, the present site of the present Coyote Wells, Imperial Co., Calif. since he gives that location as: "13 kilometers (8 miles) north of Monument No. 229, 127 kilometers (79 miles) west of the Colorado River and 100 kilometers (66 miles) east of the Pacific Ocean. Altitude 100 meters (328 feet)." By checking on maps that show monuments I decided that this agreed with the present Coyote Wells. From Station No. 84, Mearns says that they moved "up the slope to Mt Spring"; from this I judged the two camps to be in the same canyon. Checking on maps having monuments showed Mearns' Mt. Spring to be the site of the present Mt. Springs, Imperial Co., Calif. By drawing triangles and using