INDEX. 



Abert Lake, descriptive notes 7, 8, 29, 33 



Absorption: 



Factors influencing, summary 24 



Phenomena in weathering zone 21-24 



Relation to saline solutions 21-24 



Adams, G. I. , citation 35 



Adularia occurrence, Nevada, potash percentage 65 



Alkali crusts, description, occurrence, origin, analyses, etc 33, 36, 43, 45, 60, 66-67, 82, 83, 85 



Alkali Lakes, North, Middle, and South, notes 1, 7, 19, 33, 64 



Alkali salts, movement in soils 26, 66 



Alkali Valley. (See Sand Springs Flat.) 



Alluvial material as source of salines 18 



Altitude, as factor controlling rainfall in Great Basin region 3,10 



Alum deposits. Great Basin 34^35 



Alunite occurrence. Great Basin 35-36, 65 



Alvord Lake Basin, descriptive notes 8, 39 



Amargosa Basin, descriptive notes 1, 3, 4,5, 24, 39, 78 



Amargosa River, descriptive notes 1, 4, 8, 9, 29, 32 



Analyses: 



Alkali efflorescences 33, 36, 66-67, 82, 83, 85 



Borax efflorescence 33 



Borings, Dixie Valley 54-56 



Borings, Searles Lake 48, 49, 87, 89 



Brine, Owens Lake 51 



Brine, Searles Lake 52, 53 



Brines, Death Valley 45-47, 85-86 



Brines, etc.. Saline Valley, Cal 43 



Brines, Silver Peak Marsh 41 



Gypsum deposits. Great Basin , 65-66 



Hot spring water, Nevada 18, 19, 35 



Lake bed deposits 18 



Material from deep bore, Searles Marsh 88 



Material from lake beds northeast of Miaa 18 



Material from Searles deep well 87, 88, 89 



Mud samples, Columbus Marsh, Nev 54 



Mud samples, Searles Lake well 88 



Muds and crusts. Black Rock Desert, Nev 60 



Potash, Death Valley, Gal 47 



Salt, water, and saline crusts. Railroad Valley, Nev., tables 83-85 



Soils, humid and arid regions, comparison 24-25 



Soluble salts in sofls 78-79 



Waters, Black Rock Desert, Nev 60 



Waters, hot springs 18-19, 35, 60 



Waters, lake and river, comparison, etc 27-30, 80 



Waters, underground and surface 24, 77, 78 



Analysis: 



Hardpan, Nevada 23 



Salts in sand, Rhodes Marsh 43 



Arid region, soluble salts in soils, movement, etc 25-27 



Arid regions, soils, analyses, comparison with soils of humid regions 24-25 



Aridity, high, area in Great Basin 3 



Artesian areas. Great Basin region 13, 58, 63 



Atmosphere, contribution to salines of Great Basin 20 



Bailey, G, E., citation on salt bed, San Bernardino, Cal 7 



Bailey, R. K., potash analyses 47 



Baker, Charles Laurence, citation on borax deposits 34 



Basin systems composing the Great Basin region 1 , 67-68 



Basins: 



Desert, formation, typical eases, description, etc 39-60, 66-67 



Desert, structural development 37-39, 67 



Lake, composing the Great Basin region, list, areas, etc... 1-3,67-68 



Bear River, descriptive notes 29, 30, 81 



Big Smoky Valley, descriptive notes 1, 12 



Black Rock Desert Lake, notes 1,3,39,61,62 



Black Rock Desert, Nev., location, description, analyses, etc 60, 61, 62, 63 



Bonneville Basin, descriptive notes 1, 4, 7, 8, 30, 31, 59, 61 



Borates: 



Absence in certain desert basins 42 



Deposits in Great Basin 7, 33-34, 66 



Presence in lake waters 30 



Borax: 



Bedded deposits, location and origin 34 



Deposits, workable, type and locations, etc 33-34, 42, 46, 54 



Efflorescences, Searles Lake, analyses , 33 



Supply, Great Basin region, notes 7, 33, 34 



91 



