REACH CAMP GRANT. 77 
After a few days’ visit to Tucson, Colton returned to the 
irveyors on the Rio Gila. I passed on to Mexico. It is, 
ierefore, with great pleasure that I invite my readers to 
‘avel with my much-esteemed companion and friend to the — 
acific, before they join me in my trip through Sonora. 
