92 INDEX. 



Page 



Bore explorations for potash 2, 13, 18, 56-58, 03, 64 



Borings: 



Carson Sink, potash studies 2, 18, 63, 64 



Death Valley, log of Geological Survey 46 



Dixie Valley, analyses 54-56 



Railroad Valley, Nev., log of potash drill 56-58 



Searles Lake, analyses of samples 48,49,87,89 



Silver Peak Marsh, analvses 41, 42 



Bruies, analyses 41,43,47,51,52,53,54-56,86-86 



Brockington, B. K., citation 44, 46 



Calcareous deposits, shores of lakes in Great Basin 65 



California: 



Borax deposits 33, 34, 46 



Climatic records, precipitation, etc, , tables 71-73 



Great Basin region, geochemical conditions 1-14 



Gypsum deposits 66 



Nitrate deposits, location 32 



Rivers, analyses, etc 8,28,29, 31, 32,81 



Salt beds 7, 43, 44-45, 46, 48, 52 



Waters, analyses 24, 77, 78, 86 



Cameron, citation 21 



Cam-pbell. citation 34 



Carson Basin, descriptive notes 1,3,4,5,9,13,19 



Carson Desert. (Sec Carson Basin; Carson Sink,) 



Carson Lake, descriptive notes 9, 60, 61,62, 63 



Carson R iver. descriptive notes 1, 8, 9, 10, 29, 63, 64, 74 



Carson Sink area, bore explorations 2, 18, 63, 64 



Catlow Valley Basin, note : 8 



Chatard, T. M., citations on analysis of hot spring water, etc 19, 49, 51, 70 



Chewaucan Marsh, note 8 



Chlorides, high content of some lakes •. 30 



Christmas Lake Valley, ground water 12 



Clarke: 



Citation on decomposition of rocks 15 



Citations on analyses of hot-spring waters, etc 16, 17, 19, 24, 31, 52 



Climatology, Great B'asin region, factors controlling, etc 3-4, 71, 72 



Cloudbursts, cause of erosion in Great Basin 3-4, 21 



Columbus Marsh, location, characteristics, mud analyses, etc 53-54,64 



Columbus Valley, notes 1, 8, 33, 39 



Cones of extinct volcanoes found in Great Basin region 19-20,41 



Cooperation, potash investigations .' 2, 3 



Cottonwood Springs, g^-psum occurrence ..■...." ' 7 



Craters, extinct, as sources of saline deposits 19-20 



Crusts, alkali, occurrence and composition 33, 36, 60, 82, 83, 85 



Cullen. J. A,, citations on hot springs, analyses, etc 19,23,36,43,78,85 



Danby Basin, descriptive notes 1,32 



De Groot, citation 48 



Death Valley: 



Basin, descriptive notes 1,4,12, 19-20, 24, 32, 38, 39, 53, 85, 86 



Borings, Geological Survey 46 



Brines, analvses, tables 78, 85-86 



Chemical data.- 45-47, 85, 86 



Location, description , and analyses of brines, etc 44-47, S5, 86 



Desert basin, structural development 37-39, 67 



Desert basins, formation, typical cases, description, etc 39-60, 66-67 



Desert wells, water measurement 12 



Desiccation of lake waters, formation of desert basin 40, 42, 47, 49, 61, 52, 56, 58, 66, 67 



Dinsmore, S. C, citations on analysis of hot-spring waters, etc 19,24,77 



Dixie Valley: 



Basin, descriptive notes 8,39 



Location, formation, analyses from borings, etc 54-66 



Dolbear, citations, ground water, etc 12, 33, 48, 53 



Dole, citations, geology of Great Basin, etc 19,31,39,40,41,42 



Efflorescences, alkali, description, occurrence, analyses, etc 33,36,66-67,82,83,85 



Erosion, water and wind, in Great Basin 21 



Evaporation, Great Basin region 10-12 



Fallon: 



Area, descriptive notes 10, 25, 27 



Soils, salines, nature of 27 



Fish Lake Vallev, descriptive notes 1, 39, 42 



Fourmile Flat. (See Sand Spring Flat.) 



Free, E. E., citations 1-3,36,49,62,53,54,75,86,88 



Furnace Creek, notes 6, 78 



Gale, citations 32,35,46,47,54,64 



Geochemical conditions. Great Basin region 1-14 



Geological Sur\-ey: 



Borings, Carson Sink 2, 18, 63, 64 



Borings, Death Valley 46 



Cooperation with Soils Bureau in potash studies 2, 3 



Ground-water studies. Great Basin 8, 12, 13 



Potash studies in Carson Sink bore 2, 13, 18, 63 



Geology, Great Basin region, rocks, lakes, etc 4-8 



