

530 



BAROMETRIC ALTITUDES. 



Crest of Hangtown Hill, opposite preceding station . . . . . , 



Rim-rock, north side of Cedar Hill, just east of Oregon Point . . . . 



Rim-rock, north side of Cedar Hill, four or five hundred feet east of preceding station 

 Rim-rock, north side of Cedar Hill, an eighth of a mile west of Dickerhoff's mill 

 Small ditch opposite preceding station ........ 



Level of South Eork Canal, opposite last station but one ..... 



Crest of main ridge, opposite last station but two ...... 



Track in tunnel at Dickerhoff's mine ......... 



Rim-rock, north side of Cedar Hill, first hydraulic pit east of Dickerhoff's mine . 

 Lowest point of sag, under the flume, south of head of Cedar Ravine 



Highest crest of Cedar Hill, west of the flume . 



Bed-rock, Franklin claim, Little Spanish Hill ....... 



* 



Bed-rock, east of Franklin claim, Little Spanish Hill ...... 



Crest of Little Spanish Hill ........... 



Crest of ridge, Placerville race-track . . . . . . 



Mouth of shaft, Prospect Flat . 



2198 

 2170 

 2112 



2049 

 2244 

 228G 

 2327 

 2033 

 2132 

 224G 

 2449 

 2170 

 2148 

 2321 

 2576 

 2214 





NEIGHBORHOOD OF PLACERVILLE, NORTH OF THE CARSON ROAD. 



Bed-rock, Clay Hill 

 Bed-rock, east end of Indian Hill 

 Bed-rock, Pennsylvania claim 

 Average bed-rock, Henderson claim . 

 Top of bank, Henderson claim 

 Bed-rock, Wick's claim, Negro Hill . 



Bed-rock, Stevens's claim, near Negro Hill reservoir . . . . . . 



Top of highest bank, Stevens's claim ......... 



Ward Brothers' mill, White Rock, on about the same level as the deep channel here . 

 On level of South Fork Canal, at a point bearing N. 65° E. about a quarter of a mile from 



White Rock store ........... 



Near mouth of old shaft on crest of White Rock Point ridge ...... 



Level of bottom of channel at Georgia Hill, just east of White Rock Flat 



Mr. Peer's house, White Rock Point ........... 



. 2177 



2202 



. 2254 



2257 

 . 2408 



214G 

 . 2312 



2383 



2243 



2377 

 2564 

 2340 



2457 



POINTS ON THE RIDGE ABOVE PLACERVILLE. 



Cruson's house, Dirty Flat .... 

 Crest of hill between Dirty Flat and Smith's Flat 



2355 

 2499 



