TO RIO SAN PEDRO. 
361 
ther, including Colonel Graham’s party, which added 
considerably to our number. This officer had two 
wagons and an ambulance, several assistants, a corps 
of laborers, servants, cooks, and a military escort. The 
train now stretched out for a long distance, as the pack 
mules followed each other in a single file. The offi- 
cers and men generally rode side by side; and as the 
whole party embraced upwards of seventy persons, 
our cavalcade made quite a respectable appearance. 
We stopped for an hour at Pacheteju to water our ani- 
mals, and then pushed on to Ojo de Yaca^ where we 
encamped. The plains to-day presented a very differ-^ 
ent appearance from what they did when we crossed 
them in May and June before the rains. They were 
now covered with a rich coat of verdure, and resem- 
bled the green hills and grassy plains of the North. 
August 29^/^. From this place four roads diverge. 
To the north is the road to the Copper Mines, we had 
just traversed ; eastward is the one taken by emigrants 
from New Mexico, and first opened to this place by 
Colonel Cooke, which continues south-westwardly to 
the Guadalupe Pass ; and southward runs the road to 
Janos. Our course lay westward near the boundary 
line to a mountain range about fifty miles distant, 
where General Conde was encamped with the Mexican 
Commission awaiting my arrival. Leaving Ojo de 
Vaca, we struck across the open plain due west, to 
pass a spur of the Burro Mountains. Twelve miles 
brought us to this mountain, when the Mexican lancer 
said that by turning up a canon or defile to the north- 
ward, we should find an excellent spring of water, and 
that none would be met with again for about forty 
