Note 32 — Chapter V · THROUGH ARIZONA TO SAN DIEGO
Reading edition
Amiel W. Whipple, at this time lieutenant of topographical engineers, later made one of the principal Pacific Railroad surveys, and died a major general in 1863 from wounds received at Chancellorsville. The journal of his expedition from San Diego to the Colorado was printed as Senate ex. doc. No. 19, 2d session, 31st Cong. The entry for October 15th, 1849, reads as follows:
"Arrived Colonel Collyer, collector of the port of San Francisco, escorted by Captain Thorne with thirty dragoons. Under their protection is also a party of emigrants, commanded by Mr. Audubon, the younger, naturalist; Lieutenant Browning, of the navy; Mr. Langdon Haven, and a son of Commodore Sloat, were with this party, which was suffering for the want of provisions."