Photo caption reads "Nelson surveying underground." View of Ned Nelson standing over the tracks at a split in the tunnels of the Independence Mine and surveying the left hand route. On the wall of the mineshaft are "FM", the number 490 repeated...
Photo caption reads "Engineers Ned Nelson and Bob Keiberts sampling a vein in the shaft." View of two men taking samples from a vein somewhere underground in the Independence Mine. One man is using a hammer to remove small chunks of the rock and...