$112, 171 Race Earnings. Mr. Prospector was the greatest extension of the Native Dancer line, and among the most influential dirt track sires of all time. His offspring include Gone West, Gulch, Forty-Niner, Miswaki, and Seeking The Gold. Mr Prospector is a broodmare sire of Mineshaft and Rock Hard Ten. He has also stamped himself as a sire of sires.