INDEX 



Air lift: 



description, 127-128. 



use of, 1 20. 

 Algae: 



presence in water, 171. 



treatment of water for, 171. 

 Alkalinity: 



of water, 170. 



treatment of water for, 171. 

 Alluvium, definition of, 36. 

 Analyses, water: 



simple tests, 165-167. 



when desirable, 164. 



where made, 165. 

 Anticline, definition of, 39. 

 Appalachian Mountain water province, 

 Artesian basins, 54. 

 Artesian flows: 



location of, 57. 



non-pollution of, 58. 



relation to depth, 58. 



requisites of, 54. 

 Artesian flows from: 



glacial materials, 56. 



granite, 56. 



jointed rocks, 55, 56. 



limestone, 55, 56. 



sands and sandstones, 55. 



traps and lavas, 57. 

 Artesian water, head of, 109-1 10. 

 Artesian wells, location of, 57. 

 Atlantic Coastal Plain water province, 

 Augers, well, 90-95. 



Bacteria: 



examinations for, 164. 



presence in water, 164, 172. 



removal of, 172. 



tests for, 1 66. 

 Barometric pressure: 



effect on wells, 137-139- 



Bedding planes: 



ground waters in, 72, 82. 

 Boiler waters, 162. 

 Bored wells; See Wells, bored. 

 Boring: 



cost of, 119. 



methods of, 68, 91-95. 

 Buckets, valve: 



description of, 12 1. 



use of, 120. 

 Buckets, wooden: 



description of, 120. 



use of, 1 20. 



63. Calcium, hydrous sulphate of: 



use to neutralize alkalinity, 171. 

 Calcium hypochlorite: 



use to destroy bacteria, 172. 

 Calcium oxide, use to neutralize hardness, 



170. 

 California type of wells: 



cost of, 119. 

 - drilling of, 105, 107. 

 Calyx drilling, method of, 105, 107. 

 Casing-off, method of, 115. 

 Casings: 



black iron, 117. 



corrosion of, 1 02, 117. 



cost of, 119. 



galvanized, 117. 

 61. iron, heavy, 70, 71. 



iron, sheet, 70. 



leaks in, 112. 



perforation of, 115. 



setting of, in, 112, 115. 



tin, 117. 



wood, 117. 

 Caverns: 



extent of, 17, 83. 



ground waters in, 43, 83. 

 173 



