National Geographic : 1933 Apr
510 THE NATIONAL GEOGRAPHIC MAGAZINE Photograph by Merl La Voy DREDGING FOR GOLD ON THE KLONIIKE RIVER Hungrily digging and clawing their way, like monster crabs, these dredges of the steam shovel or endless-chain bucket type are most useful where large masses of gold-bearing gravel must be washed. Many are built in California and exported to gold fields in foreign lands. Photograph by Ewing Galloway STAGING A MAKE-BELIEVE GOLD RUSH TO TRAIN WOULD-BE MINERS This school held sessions in a river bed near Denver. It was organized to help relieve unemployment. Experienced miners were engaged as teachers. The school trained several hundred men and sent them to the Colorado hills to hunt gold and other minerals.