TO THE COPPER MINES. 
219 
distance travelled to-day, twenty-three . miles. This 
spring is in an arroyo or ravine, and contains but a few 
barrels of water. Some ash and cotton-wood trees 
mark its course from the mountains where it rises. 
Colonel Craig, when he passed here with his command 
a few months before, opened the spring and sunk a 
barrel in it. The water is very good. In the rainy 
season, this arroyo is probably filled with water, as the 
trees and banks exhibit the marks of it. 
Approach to Mule Spring. Picacho de Mimhres. 
April 30^A. On leaving Mule Spring, we turned 
nearly south, with a range of mountains on our right. 
This was directly out of the general course of our route, 
which was to the north-west ; but there was no other 
way to pass the mountains. The road was excellent, 
and we traversed it rapidly, reaching Cooke’s Spring, 
twelve miles distant, at 11 o’clock, where we stopped 
