Boundary Survey 147 
emigrant, and the Mormon with his wives and their push-carts, 
there were the trapper and the trader, and there were the bands 
of natives sometimes friendly, sometimes hovering about a 
caravan like a pack of hungry wolves. There is now barely an 
echo of this hard period, and that echo smothered by the rush 
A Uinta Ute. 
Photograph by J. K. Hillers, U. S. Geol. Survey. 
of the express train as it dashes in an hour or two so heedlessly 
across the stretches that occupied the forgotten emigrant days 
or weeks. In the search for a route for the railway much ex¬ 
ploration was accomplished, and these expeditions, together 
with those in connection with the Mexican boundary survey, 
added greatly to the accumulating knowledge of the desolation 
enveloping the Colorado and its branches. 
