Tinajas in Arroyo Paraíso. 1960.

Mezquital. 1955. "Cattle ranch with a well of good water."

Rancho La Esperanza. 1959. "Abandoned ranch."

Corral at Calmallí Viejo. 1959. Waterhole mentioned by early explorers. "A nealy deserted mining town ... water, which is fairly good, comes from three wells ... Gold was discovered here in 1882, causing a brief but profitable rush."

El Arco. 1956-1957. "Estimated 1960 pop. 150. A small community at the site of a former gold mine, about two miles north of the boundary between the State of Baja California and the Southern Territory. It consists of two groups of adobe and wooden shacks on opposite banks of the arroyo, with extensive mine workings below ... The gold mines of El Arco, which at one time employed over 1,000 workers, began to be developed by an American company in the 1920s, but operations ceased after a prolonged strike of the miners."