Note 92 — MEMORANDOM OF THE VOIGE BY LAND FROM FORT SMITH TO THE ROCKEY MOUNTAINS. (continued 2)

Rio Costilla, next tributary of the Rio Grande from the E. See Pike, ed. of 1895, p. 494. On reaching lat. 37° N. Fowler passes from Colorado into New Mexico. The principal landmark is Ute peak, isolated in the plain, a little south of the boundary and of Rio Costilla, on the E. bank of the Rio Grande, alt. about 10,000 feet.