Bonanza Hills, 1935-1936. Charlie Wolf, Martin "Poykin" Johnson, Charlie Dennison. 4" worm drill with 5" casing. Airplane placer drill. Roy Dickson flew them into Mesa Mountain or Windy Mountain. Subsequently, Terry Gill used the drill. Charlie Wolf's cabin was 12 miles up the Chulitna.
Listen to Jay Hammond talk about the photo.