TY - RPRT TI - Tertiary gold-bearing channel gravel in northern Nevada County, California AU - D. W. Peterson AU - W. E. Yeend AU - H. W. Oliver AU - R.E. Mattick PY - 1968 DO - 10.3133/cir566 UR - https://pubs.usgs.gov/publication/cir566 ID - cir566 ER -