Quest 1948 Journal 93 May 30 El Choro, 800+ ft., 2 mi W. Agua Caliente, Cap District, Baja Calif. road. Santiago and Agua Caliente lie in a broad, flat wash-bottom east of very tall and rough-looking mountains. The area looks rich and wealthy from the agricultural standpoint, judging from similar areas seen in the north. Water for irrigation is available, but apparently in limited quantities at this time of year. We are camped at the place where the stream bed passing Agua Caliente and Santiago meets the mountains to their west. The canyon mouth is about 50 yards west of camp at which a small concrete irrigation dam is built about 75 feet wide and 15 feet high. A concrete irrigation slitch leads from the north side of the dam down the north side of the broadening canyon towards Agua Caliente. Numerous hot springs occurs in the immediate vicinity of the dam, but the water issuing forth is warm and not hot. The water for irrigation above the dam appears to arise within a distance of 100 yards from the dam. The canyon walls are steep and the canym narrow and filled with small granite boulders. Growing on the hills are mostly Palo blanco, and Cardona Pitiaya Dulce, with a few Mesquite and Palo Verde in the wash area (Anoyo del largo). Tules and small thorny bushes grow-