Note 291 — Chapter XIV · GENERAL ADMINISTRATION
Reading edition
N. P. Langford’s Diary, Second Trip To Yellowstone 1872. MS. in Yellowstone Park Library, Mammoth, Wyoming. Dr. Hayden and his co-workers returned in 1878. In this investigation they made detailed reports upon many hot springs and geysers. The season’s study, richly embellished with engravings and colored plates, was published in Hayden’s Report in 1883.