(d) Suitable sticks for primitive implements and weapons.
(e) Grasses, barks, willows, rushes, and other tough and flexible fibers for basketry.
(f) The topographical features which later are to be represented in sand.
(g) What animals now live in uncultivated places.
2. To a brook or river to find—
(a) The best drinking-places for animals.
(b) The best fords.
(c) The best places to build bridges.
(d) Stones for primitive implements and weapons.
(e) How the river grinds the stones.