548 BAROMETRIC ALTITUDES. 
Cherokee Bridge, over North Yuba River, on trail to Brandy City ; ; ‘ ; 
Mr. Bishop's house, Oak Valley 
Bed-rock at north end of Depot Hill . 
Indian Creek, at crossing of trail from Depot Hill to Indian Hill 
Indian Hill, store 
Bed-rock at Indian Hill, lower end, near junction of granite and slate 
Ranch above Camptonville, near lower limit of lava. 
Mouth of Dahneke’s tunnel . 
Oregon Creek, at trail from Tyler’s diggings to Tippecanoe . 
Bed-rock at Tyler’s diggings . 
Bed-rock at Tippecanoe 
Summit of trail from Tippecanoe to Grizzly Canon, above Pike City 
Mouth of tunnel, Grizzly Caiion 
Nigger Tent House 
Summit on road from Nigger Tent to Mountain House 
Mountain House . 
Point on ridge above Lucky Dog Ravine, near Henness Pass road 
Point on ridge above North Fork mine, Forest City 
Top of bank at City of Six 
Mouth of Ruby Tunnel, Rock Creek : ; ; 
Summit of Downieville trail, between Rock Creek and Forest City 
Mouth of Bald Mountain tunnel 
Forest City, Ellery’s Hotel, second story 
Top of Bald Mountain Bluff, above Forest City 
Mouth of Bald Mountain Extension tunnel. 
Summit on road from Forest City to Alleghany 
Golden Anchor House, Alleghany : . ; : 
Bridge over Kanaka Creek, on trail from Alleghany to Chips’s Flat . 
Bed-rock at McNulty’s hydraulic mine, Chips’s Flat 
2225 
3100 
3120 
2810 
3355 
3217 
3900 
3875 
3385 
3510 
3555 
3890 
3680 
4465 
4765 
4440 
5153 
5020 
4893 
4800 
5404 
4489 
4465 
5570 
4605 
5020 
4375 
3750 
4235 
Mouth of Rainbow shaft . 4360 
Summit of trail from Chips’s Flat to Minnesota . 4570 
Bed-rock at Minnesota . 4220 
Mouth of Crescent tunnel, near head of Kanaka Creek 4855 
Point on road near Pliocene shaft, estimated to be fifty feet above mouth of shaft 5424 
Bed-rock on road above Nelson’s mill, one mile east of preceding station 5480 
Junction of ridge road with road to American Hill, on sag between Jim Crow Cajion and 
Wolf Creek 
Low bed-rock near bank at American Hill . 
5575 
4880 | 
