156 NEW TRACKS IN NORTH AMERICA. 
been driven away, leaving for others mines which are only 
half developed, and which contain their precious metals in 
the best possible form, now that we know how to manipulate 
them—I mean as sulphurets. But to get at these it is 
necessary that capital should be expended which cannot 
at the outset be remunerative, for a tunnel to drain an old 
mine cannot be bored in a day, much less can the débris be 
cheaply removed. When Sonora becomes Anglo-Saxon there 
will be some hope for the future—until then, there is none. 
The following are the chief districts in which silver mining 
has been or is still carried on. 
Alamos, in the & 
i iges: hetwoon Rios Yaqui and Mayo. 
Cedras. 
ana, near Los 
Sant: 
San Marcil, on the Rio San Josée., 
noash 
Los Bro: 
San ‘Antonio de la Huerta. 
La Barronca. 
San Juan de Sonora. 
. Babicamora, 
1. Banawachi, } in north-eastern Sonora. 
Upper Yaqui. 
— i 
SS SO sy Oo ye Se be 
a 
SOMA oh w bo 
. Nacasari, 
. Zubiate, forty miles south-west of Hermosillo. 
Aqu rinse (Minos Prietos). 
. Alam 
: Fai: ara Altar. 
. La Cieneguita, 
Mulatos, between Saguaripe and Jesus Maria, in the 
Sierra Madre. 
. Soyopa, Rio Yaqui. 
A room 
Carrigo 
bo bo bo 
one 
; doe aa Rio Chico. 
- Relitos. 
6. Tecoripa, a miles west of San Antonio. 
27. voter 
U: 
bo 
Soe 
head-waters of Rio Fuerte. 
