Answer = 4120 gold pieces
Calaveras Nugget clue = 0 (1-1)
Nevada clue = 1 (101)
The President clue = 4 (Polk)
Sutter's Mill clue = 20 (1848-1828)
Georgia clue = less than 4860 (30 x 162)
California clue = 2 and 0
Colorado clue = 101 (1959-1858)