There are no ages for Gold at Golden Key Group (Austin Group; Coronado No. 2 Claim; Dusenberry Claim; Golden Gate Claim; Hayseed Claim; Haywire Fraction Claim; Regan Claim), Whitlock (Farmer's Hope; Whitlock Creek; Whitlock Gulch), Whitlock District, Bagby-Mariposa-Mount Bullion-Whitlock District, Mother Lode Belt, Mariposa Co., California, USA