11. Columbia River
Patterson, C. P. (Carlile Pollock), 1816-1881, Hilgard, J. E. (Julius Erasmus), 1825-1891, Rockwell, Cleveland, 1837-1907, and Cutts, R. D. (Richard Dominicus), 1817-1883. Issued January 1879 C.P. Patterson Superintendent. Verified J.E. Hilgard Assistant in charge of Office ; Triangulation by R.D. Cutts & C. Rockwell ... U.S. Coast Survey,.