438 



GEOLOGY OF THE DENVER BASIN. 



Artesian Wells of Denver— Continued. 



Name of well. 



Date of sinking. 



Depth. 



Casing used. 



Depth below 

 surface of 

 flows cut. 



Electric Light Co. 



Sch^ndelholz 



Belisle 



City Laundry 



Foot of 2'Jdst. 



Swift 



Bennett 



30th and Arapahoe sts 



Savage 



Walker 



Colorado Iron "Works 

 Adair...... 



Nichols 



Morrison Bros . 



U. P. Hospital . 

 Grant Smelter. 



McNassor. 

 Morrison .. 



D.TJ.andP.R.K 



Sinedley 



John Mullen 



Cor. 26th and Holliday 



(Market) ets. 

 Lawrence, bet. 25th 



and 26th sts. 

 27th, bet. Larimer and 



Lawrence sts. 

 Cor. 28th and Blake... 



28th, near Champa . . . 



Cor .35th and Holliilay 



(Market) sts. 

 32d st., bet. Lawrence 



and Arapahoe. 

 Cor. 33d and Wyn- 



koop sts. 



Blake, bet. 35th and 



36th sts. 

 Cor.36th and Wazee.. 



Near the Grant smel- 



At smelting works . 



July, 1883 



Comp. Nov., 1883. 



July, 1884 



Oot., 1884 



Winter, 1883 



1883 



Ang.,1883 



July, 1884 



Comp. Mar., 1884. 

 Summer of 1884.. 



Dec, 1883 



July,1885 



Comp. Aug., 1883. 

 Comp. Feb., 1884. 



Latter part of 1884 



Near Argo. 



Sept., 1885 



Feb., 1886; finish- 

 ed 1887. 

 Deo., 1885 



Apr., 1884.. 

 Sept., 1885 . 



Doyle & White. 

 Sanderson 



On 19th, near Central 

 Cor. 18th and Boulder 

 sts. 



Feb., 1884 . 

 Jan., 1834 . 



3D0' + 14' 

 416'+23' 

 420'+30' 

 406' + 34' 

 400'±0.. 

 457'+46' 

 450'+41' 

 620'+20' 

 400-+5' . 

 5S7'— 5' . 

 420'— 10' 



075' -5' . 



G'20'— 30' 



300'— 10' 

 400'— 10' 



306' ±0' . 



647'+50' 



300'+25' 



320'+25' 



579' +30' 



6" drive pipe and 285' 



of 4 J". 

 300' of 3" 



Cased 50' 



5" to bed rock and 300' 



of 3J". 

 250'of5g" 



280' 348',»nd 



95' of 6", and 4A" 

 nearly h> the bottom 



50' of 4" and 339' of 2" 



90' of 8", 250' stove- 

 pipe, and 525' of 55". 

 375' Of 4g" 



50' of 5J" and 340' of 



3J". 

 316' of 3" 



00' of 6'' and 350' of 2J" 



390' of 5J" and 640' of 



4J". 

 387' of 75" and 556' of 



5J". 



170' of 1J" 



25" for 200' 



250' and 375'. 



180' and 375' 

 400' and 675' 



400' of 4".. 

 100' of 1}" . 



I' of 1J" 



:" nearl, 



torn. 



2J" for 18'. 



300' and 500'. 



1 Decrease supposed due to the sinking of the Gas House and Stoam Heating Co.'s wells. 



•Water sank considerably below surface after 1887. 



8 Decrease due to the sinking of other wells and the filling of this with sand. 



4 Stopped flowing at a date not known. Small hand pump put in, but unsatisfactory ; well abandoned. 



* Flowed for 6 months after drilling: then pumps used. In 1835 fine sand came up, but well pumps free now. 



6 Failure supposed duo to leaky casing. 



7 Well has not flowed since 1888; water soon sank to 27' below surface; pump was then pnt in. 



8 Decrease supposed due to filling with sand. 



9 Water at first rose 140'. Flowed for 2 years 380 galls, per minute. Water now 6' below surface. 



10 Flow stopped 1885. Never pumped. 



11 Stopped flowing in 1888, and pumps used. At present 20' below surface. Two upper flows were shut off. 



12 Never pumped. 



13 Decrease supposed due to the sinking of other wells. 



11 Flowed with great pressure at first, which gradually diminished, and ceased in 1888. Fell 12' when Niohols' well 

 was finished. At present 25' below surface. 



15 Used two flows; upper one gave out In a year; lower one flowed till 1887. Well was cleared, hut water did not 

 come to surface again. 



