Page:What to do for Uncle Sam; a first book of citizenship (IA whattodoforuncle00bail).pdf/173

Rh Courtesy, U. S. Bureau of Forestry

A FIRE LOOKOUT, SUMMIT OF MT. EDDY, CALIFORNIA

in a tree trunk. It may happen, though, that the piece of bark cut off a tree or the letters that you cut in the trunk may hurt that tree so that it will die. Keep your jack-knife for whittling broken branches and opening nuts in the woods, and so help Uncle Sam.

You will find it very interesting to attend a forestry class, right out in the woods, if your state has one. Uncle Sam leases a piece of one of his finest forests at a low price for such an outdoor school, and it is one of the best places to study a boy or girl ever knew. The class learns about the seeds, roots, leaves, buds, and bark of forest! trees.