Chalk Bluff is a former settlement in Nevada County, California.
The site of Chalk Bluff is located in the Sierra Nevada, 1.5 miles (2.4 km) east of the settlement of Red Dog.
It was a mining camp started around 1850 during the early California Gold Rush period.
All the residents moved to nearby Red Dog. It still appeared on maps as of 1873.
References
Chalk Bluff, California Wikipedia(Text) CC BY-SA