AKTESIAjST wells. 455 



originally used, but was cased off upon acquirement of the second. The 

 original discharge of the well was very large, though never accurately 

 determined. It ceased in about six months, and the water was then 

 pumped. In 1890 the well had for some time been abandoned. The 

 sinking of the wells at the Water Works decreased the discharge from this 

 well very perceptibly. 



53. The Fleming is one of the southernmost of the city wells, being 

 south of the old exposition grounds. It is one of the most satisfactory 

 wells that have been sunk in the Denver Basin. It was completed in 

 March, 1884, is 670 feet deep, and cost 82,500. It is cased to bed rock, 

 a distance of 64 feet with 8-inch, to a depth of 430 feet with 5§-inch, 

 and to a depth of 655 feet with 4.1 -inch pipe. A small flow was cut at 300 

 feet, which rose to the top of the casing. The first large flow was cut at 

 430 feet, and originally discharged at the rate of 7,875 gallons a, day, with 

 a pressure of 15 pounds. The second large flow was cut at 650 feet and 

 discharged 157,500 gallons per day, at 70 pounds pressure. Both of these 

 flows were utilized. No decrease or variation in flow had been noticed in 

 1886, although in 1890 the well had apparently been abandoned. 



Steel shoes were used without packing. 



60. The Knox well, on the corner of Champa and Twenty-third 

 streets, was completed in August, 1884, and is 700 feet deep; cost, $2,200. 

 A 5|-inch casing was sunk to a depth of 580 feet; it was provided with a 

 steel shoe, which was firmly driven into the rock. No packing was used. 

 The original pressure was 24 pounds. A considerable decrease in both 

 flow and pressure was noticed in the summer of 1886 when the water was 

 used for sprinkling laAvns and for irrigating purposes. The pressure 

 was then about 10 pounds in the morning and 5 in the evening. When 

 sprinkling ceased, about the 1st of November, the flow resumed its normal 

 rate. In careful experiments seven sprinklers flowing at the same time 

 reduced the pressure at the rate of 1| pounds per sprinkler. The well was 

 somewhat affected by the Stevens well until the latter was cased. In 

 1890 it had been abandoned. This well is illustrative of the effects of 

 heavy drafts tor domestic, irrigating, and sprinkling purposes, and may be 

 regarded as a type of many. 



