534 BAROMETRIC ALTITUDES. 
“Mouth of Hornby’s tunnel, Deadwood...  . ..  . «/)) en 
Mouth of Robertson’s tunnel, Deadwood . ‘ : ‘ ¢ = ¢ ; ‘ 
Mouth of Kaylor’s tunnel, Deadwood. F . : : oo ee Mee 
Bed-rock, quartz channel, Deadwood . base : : : . : 
E. T. Darling’s house, Deadwood . 
Crest of ridge, near Devil’s Basin, above Deadwood . ; . 
Bed-rock, on trail near Devil’s Basin 
Mouth of tunnel, Rattlesnake claim, below Devil’s Basin 
Brow of hill overlooking Devil’s Basin . 
Mouth of Basin tunnel, Devil’s Basin i ‘ : é ° ‘ : . é 
Bed-rock, little hydraulic pit, near Last Chance trail 
Bed-rock under quartz gravel, northeast of Devil’s Basin : : ; ‘ 
Bottom of cafion of the North Fork of the Middle Fork of the American River, between 
Deadwood and Last Chance 
Jansen’s Hotel, Last Chance. a di : : 4 . : 3 F 
Mouth of tunnel, Nick Anderson’s claim, Last Chance . _ . 4 : 
Home Ticket mine, near Last Chance . ; : : : 3 Ses-Dtg 
Mouth of Keystone Flat tunnel, near Last Chance . 5 ; 5 5 : : : 
Level of track in lower Slab tunnel . : : . a ae * : 
Lower Tunnel, Fiddler’s Green. . ; : : i - 7 ‘ le Nee 
San Francisco mine, between Last Chance and Startown 
Upper tunnel, San Francisco mine : ; : “ : 
Level of ditch immediately back of San Francisco mine 
Mouth of tunnel, John Yule’s claim, Startown : ki Z 5 7 ‘ 
Crest of ridge, back of Startown 
Dinsmore’s tunnel, Grouse Cafion, about a mile and a half south of Startown . ‘ : 
Big Trees, above Last Chance . , 5 ; F ; ; . ; . 
Barney Kavanagh’s cabin, Miller’s Defeat ‘ 2 F ; pos : é : 
Yank’s cabin, Canada Hill =f. wg 4 , i ee 
Bed-rock, Sterrett’s claim, Sailor Cajion . . : . : 2 ¢ : . . 
Northwest summit Canada Hill, Bald Mountain. r : . . 
POINTS ON NORTH SIDE OF FOREST HILL DIVIDE, NEAR YANKEE JIM’S. 
M. B. Tubbs’s saloon, Yankee Jim’s : : - ; * : : : ‘ : 
Top of highest bank, Yankee Jim’s . ! : : : ; 2 5 & 
Bed-rock, Smith’s Point, between First and Second Brushy Cajions . : is 
Crest of hill, saddle at head of Young America Cafion - , ; 3 9s 
