2. Hidatsa earth lodges, circular in form, the spots representing the pillars supporting the roof. Indian village at Fort Berthold, Dakota.
3. Human footprints; the course taken by the recorder.
4. The Government buildings at Fort Buford (square).
5. Several Hidatsa lodges (round), the occupants of which had inter-married with the Dakotas.
6. Dakota lodges.
7. A small square—a white man’s house—with a cross marked upon it, to represent a Dakota lodge. This denotes that the owner, a white man, had married a Dakota woman who dwelt there.
8. Horse tracks returning to Fort Berthold.
9. The Missouri River.
10. Tule Creek.
11. Little Knife River.