234 
The Colorado River 
Howlands and Dunn. Returning then to Kanab, at that time 
the farthest frontier settlement of the Mormons, he visited 
the Moki Towns, across the Colorado, and went back to the 
East to finish his preparations. In the winter of 1871-72 
Congress made an additional appropriation for this expedi¬ 
tion. The supervision was vested in that noble character, 
Joseph Henry, then Secretary of the Smithsonian Institution. 
Green River Station, U. P. Ry., Wyoming, 1871, 
Starting point of the two Powell expeditions. 
Professor Henry was entirely favourable and sympathetic, and 
his approval was of the highest value. He secured some in¬ 
struments for the work and lent his aid in every possible man¬ 
ner. A privilege of drawing rations at the Western army posts 
was also again granted, and this saved a great deal of expense. 
Through a friend who was an old army acquaintance of 
Powell’s I secured an interview in Chicago, whither I went for 
