Down the Colorado : diary of the first trip through the Grand Canyon, 1869 / Photos. and epilogue [by] Eliot Porter ; foreword and notes by Don D. Fowler.
An abridgement of the author's journal originally published in pt. 1, "History of the exploration of the caņons of the Colorado," of the report of the Smithsonian Institution: Exploration of the Colorado River of the West and its tributaries.
