Hedges, California

It lies at an elevation of 617 feet / 188 meters along the Tumco Wash in the Cargo Muchacho Mountains.

Mexican miners prospected and mined there prior to 1848, the name of the mountains date from this period.

Lt. Williamson's Pacific Railroad exploration party, passing the mountains in 1853 reported seeing several quartz veins from three inches to a foot or two in thickness there.

Despite this report, no American miners began large scale development of the mines until the Southern Pacific Railroad passed by the location to Yuma in 1877.

Ogilby a railroad stop was founded nearby in 1877 and became the rail-head and supply point for the mines and camps in the Cargo Muchacho Mountains.