Diamonds in California. — Tur/icr. 183 
But from the methods pursued in mining in the latter region, it will 
be easily understood that but few of the diamonds actually contained 
in the detrital material washed would be likely ever to be seen. Still, 
the number of localities where this gem has been observed is consider- 
able." 
The following is a list of the occurrences as given by Whit- 
ney and Hanks: 
Diamond Localities in California 
Eldorado County, near Placerville.* Authority. 
South side of Webber Hill, several Whitney 
White Rock Canyon, three or four " 
Dirty Flat, one " 
Smith's Flat, several ? " 
Amador County. 
Jackass Gulch, near Volcano Whitney 
Rancheria, near Volcano Hanks 
Loafer Hill, near Oleta 
Nevada County. 
French Corral Whitney 
Butte County. 
Cherokee Flat, 56 specimens ■" 
Yankee Hill Hanks 
Trinity County ? 
Trinity River sands (F.Woehler) " 
Del Norte County. 
Smith River sands " 
Recently I have received from Mr. George W. Kimble of 
Placerville the following information concerning the occur- 
rence of diamonds in his vicinity: 
"Most of the diamonds referred to in the letter of Carpenter ( see 
Hanks' report) were found between a point a little south of Smith's 
flat and White Rock canyon in Neocene river gravels. Thomas Ward 
and Company's mine is on the south side of White Rock canyon, where 
it had cut across the Neocene river beds. Cruson & Olmstead's 
claim adjoins theirs on Ihe soath and is known as the Unity mine 
There has recently been found two more diamonds in Thomas Ward 
& Company's property since the date of the Carpenter letter." 
Mr. Kimble also states that nine more diamonds have quite 
recently been found in the vicinity, mostly from the L'nity 
mine, and that a great many diamonds have been crushed in 
*Tn a letter to Prof. Hanks loc. cit. p. i6g, W. P. Carpenter records 
the finding of 14 diamonds near Placerville. He probably include^ 
in this ILst some or all of those noted above. 
