



534 



BAROMETEIC ALTITUDES. 



/ 



Mouth of Hornby's tunnel, Deadwood . 



Mouth of Robertson's tunnel, Deadwood . 



Mouth of Kaylor's tunnel, Deadwood 



Bed-rock, quartz channel, Deadwood .... 



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 ......... 



* 



Bed-rock, little hydraulic pit, near Bast Chance trail 



Bed-rock under quartz gravel, northeast of Devil's Basin 



Bottom of canon of the North Fork of the Middle Fork of the American River, between 



Deadwood and Last Chance ......... 



. 3611 

 3555 



. 3564 



3717 



. 3702 



4345 



. 3916 

 3790 



. 4380 

 3797 



Jansen's Hotel, Last Chance ......... 



Mouth of tunnel, Nick Anderson's claim, Last Chance .... 



Home Ticket mine, near Last Chance ....... 



i 



Mouth of Keystone Flat tunnel, near Last Chance 



Level of track in lower Slab tunnel 



■ 



Lower Tunnel, Fiddler's Green 



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 



Crest of ridge, back of Startown 



i 



Dinsmore's tunnel, Grouse Canon, about a mile and a half south of Startown 

 Big Trees, above Last Chance . 



Barney Kavanagh's cabin, Miller's Defeat 



Yank's cabin, Canada Hill 



Bed-rock, Sterrett's claim, Sailor Canon 



■ 



Northwest summit Canada Hill, Bald Mountain . . . . 



. 3878 



3908 



. 2718 

 4582 



. 4241 



4556 

 . 4310 



3999 

 . 4123 



4418 

 . 4427 



4708 

 . 4542 



4872 

 . 4524 



5207 

 . 5740 



6217 

 . 5251 



7091 





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 



Bed-rock, Smith's Point, between First and Second Brushy Canons . . . . 



* 



Crest of hill, saddle at head of Young America Canon . . . . 



2578 

 2761 

 2673 

 3126 



