None
Salts, total of, in well waters Ill Sand dunes, occurrence of 40, 47-48 view of 48 Sanford, wells near 66-67 wells near, location of, map showing 66 record of - 67 Sangre de Cristo Range, age of 53-54 rocks of - 34-37 San Isabel, wells near 78-79 wells near, record of 79 San Luis, rainfall and temperature at 22-24 rocks near .' 37 wells near 90-92 location of, map showing 90 San Luis canal, flow of 19 San Luis Creek, drainage of 12 fan of 11 valley of, section of 44-46 section of, figure showing 45 San Luis Hills, location of 9 rocks of 3S-39 San Luis Oil Co., well of 116 San Pedro Mesa, rocks of 32,38,39 Santa Fe formation, deposition of 51-52 occurrence and character of 32-33, 39-40 view of 30 Saguache, rainfall and temperature at 22-24 rocks near 32 wells near . , 99 Saguache Creek, fan of 11 Sawatch Range, geology of 29-34 Schwartz ranch well, description of 60 Seasons, variation of flow with 105 variation of temperature with 110 Settlement, order of 25-26 Shellabarger well, description of 77 Silicic acid, percentage of, in well waters 113 Slichter, C. S., cited 118 Smith well, description of 91 record of 91 Soda Lake, view of , 32 Sodium carbonate, deposits of 50 Soil, exhaustion of 25-26 Spriesterbach well, description of 59 record of 41 water of, silicic acid in 113 Spring Creek, description of 102 Springs, occurrence of 38, 101-104 supply from 17-18 Star ranch well, description of 88 State bridge, discharge near 14, 16, 17 Stevenson, J. J., cited 52-53 Stewart ranch well, description of 68 Stock raising, progress of 27 Strauss well, description of 98 Steam gagings, results of 12-15 "Sub." See Subirrigation. Subirrigation, injurious effects of 27-29 Subirrigation, methods of 27 pumping for 20 relation of, to well flow 105 Sulphur, occurrence of, in well water 113 Swede Corners, wells near 75-76 wells near, records of 75 T. Temperature of air, records of 22-23 Temperature of well water, variations in . . 108-110 Tinted water. See Mosca-Hooper region. Tobler well, description of 78 Todd., J. E., on flow of wells 118 Topography, description of 10^12 U. Underflow, pumping of 20-21 Underground waters, account of 54-116 Ute Creek, fan on 39 rocks on 36 V. Valley, rocks of 39-50 Valley View Hot Springs, description of 104 water of, analysis of 112 Van Diest, E. C. and P. H., cited 37 Vegetation, character of 26 Veteran, wells near 74, 115-116 Villa Grove, rocks near 34 wells near 99-100 Von Schultz & Low, analyses by 112 W. Wagon Wheel Gap, rainfall and temperature at 22-25 Warner, wells near 76, 115-116 wells near, section of 76 Washington Springs, description of 103 Waters, underground, account of 54-116 Watson well, description of 85 A record of 85 Wells, casing of 117 drilling of 116-118 cost of 118 failure of 105-107 flow of 105-108 measurement of 118-124 grouping of 105 interference of 106-107 irrigation from 56-57, 115-116 water of, quality of 111-115 temperature of 108-110 uses of 115-116 See also particular wells; Flowing wells; Nonflowing wells. Western ranges, glaciation in 33-34 rocks of 29-32 age of 32-33 See also Conejos Range; Sawatch Range. Wilkins well, description of 60 Willow Creek, park on, view of 34 rocks on 35 view on 36 Worcester ranch well, description of 60 Woodhouse well, description of 74 o V\k/GiO 1 ' ■: :■• .:r ' i [• \ ' ,. hi ■ -' " ■ V' 1. 