San Bernardino County:
Gold Valley
In late summer of 1908, high grade gold was discovered 28 miles southwest of the new boomtown of Hart. This discovery, known as the Lost Burro, was made by D. G. Warfield and Mark Neumayer. By the middle of September, the townsite of Gold Valley was laid out and a city of over 50 tents sprang up. 110
The shaft at the Lost Burro Mine was 100 feet deep, and yielding $65 a ton in gold worked in an arrastre. In the beginning of December, Warfield and Newmayer sold half of their interest to James N. Williams of Los Angeles, who agreed to have a stamp mill in operation at the property. In August, 1910, four men were working the mine, and in January of the following year it was announced “properties are all looking good at Gold Valley.” A month later, Mark Neumayer, with George Martin was putting up a stamp mill there to mill high-grade ore. On private property in a hidden part of the valley, an old stamp mill has recently been uncovered, perhaps one of the only remnants left of mining in Gold Valley. 111
Out West was a small mine camp on the extreme north end of Gold Valley about 1/4 mile east of the head of Black Canyon. In 1909 the Out West Mining Company was active here. At that time, there was a stone house, about 3 frame-tent houses and a 40 foot well at the camp. 112