Black ink on white paper, reads, “Map of the Country Upon Upper Red River, explored in 1852, by Capt. R.B. Marcy 5th U.S. Infy, Assisted by BVT. Capt. G.B. Mc Clellan U.S. Engs, Under orders from the headquarters of the U.S. Army. Ackerman Lith 379 Broadway NY”, “Profile of the route from the head of the Ke-che-ab-que-ho-no to Fort-Arburkle”, 24 x 41 in.