AMERICAN 
JOURNAL OF SCIENCE AND ARTS. 
[SECOND SERIES.] 
Art. I—On the Deep Placers of the South and Mi rp Yuba, Ne- 
| vada county, California, in connection with the Middle Yuba and 
Eureka Lake’ Canal Companies ; by B. SILLIMAN, 
as been dncved: stretches over about three degrees of latitude 
from near Fort Miller on the San Joa oaquin river in Fresno 
Sonny, north to Deer Creek and the Forks of the Feather river 
n Plumas county, an area of about 200 miles in length and 
of an average width of about 40 miles, although. it widens 
toward the north to about 70 miles from east to west. Its 
approximate area is probably about 1000 square miles. There 
are other important gold-bearing areas, especially those to the 
north near the sea coast, viz: the aldo or Sailors’ di ngs, 
the Sea Shore diggings, and a large ‘but not very productive — 
- district, bounded oi the north by the Klamath river, and south 
by Trinity river Este the forks of the Sacramento near Shasta. 
In the souther a Pe of California are several subordinate : 
PA EES a Bel ay oe ee Ce) a ce eee ae a Nyt 
’ 
Am. Jour. Sci.—Sxoonp Sertms, Vou. XL, No. ee 1865. 
4 ome 
