In what manufactured article has timber supplanted the use of rags?
When a pine forest is cut away, what kinds of timber are apt to come up in place of the pines?
In what manner does the railway draw upon the forests?—the paper-maker?—the farmer?—the tanner?—the beaver?—the teredo, or ship-worm?
From what country or countries do the following come: boxwood, rosewood, sandal-wood, cinchona, bog oak, jarrah?
FOR STUDY AND REFERENCE
Make a list of the forestry growing in the State in which you live; so far as possible, obtain a specimen of each wood, prepared so as to show square, oblique, split, and polished sections; for what purpose, if any, is each used?
Consult "Check-list of Forestry of the United States" (U.S. Department of Agriculture).