The San Bernardino County Museum in Redlands, California, has a series of outdoor displays about local mining.
Shown above is a stone mill used for crushing the ore.
Shown above is another crude mill. This is called an arraste and animals, such as mules or oxen, would pull the heavy drag stone around in the circular pit to crush the ore.
Shown above is the toilet car.
Shown above is a head frame which functioned as a hoist to bring ore out of the mine.
Another view of the head frame.