complications. without her mother, the baby dies soon after. adding to kit's pain, decades of overtrapping has destroyed the beaver population. >> every summer throughout the 1840s, there were fewer and fewer beaver pellets and this was a consequence of just how amazingly good these guys were and what they did. >> we trapped down the river but found no beaver. country looks baron. became necessary to try our hand at something else. >> some mountain men head north. others go west while the worst resort to crime. carson takes to hunting for a local outpost but a dollar a day is hardly enough for him and his surviving daughter adeline.