INDEX 



The superior figure tells the exact place on the page, in ninths; e. g., 53* means 

 four ninths of the way down page 53. 



Acknowledgments, 5 7 -6. 



Adamant manufacturing co. ; quarry, 79/, 



83 3 ; capital, 83 1 . 

 Adamant wall dressing; use of gypsum 



for, 83 s ; advantages, 83 1 -84 2 . 

 Alabama station, gypsum quarries at, 78 4 . 

 Alabaster, 70 4 . 

 Altitude of salt beds, si 8 -^ 1 ', basis of 



measurement, 32 2 . 

 Alvord, A. E., gypsum quarry, 78 7 . 

 Analyses of salt, table facing page 38. 

 Anhydrite, with salt, io 5 , 14 3 ; formation, 



IO 8 -!! 1 . 



Atlantic ocean, constituents, 9 1 . 



Baltic sea, constituents, 9 1 . 



Bangs and Gaynor, gypsum quarry, 79 1 . 



Bays, deposits in, io 4 . 



Bishop, I. P., assistance acknowledged, 5 7 - 



" Bitterns," 51 8 , 53 s , 54 s . 



Black sea, constituents, 9'. 



Bliss, altitude of salt well at, 32 4 . 



Bogdo, Lake, formation, 13 1 . 



Brine, chemical composition ; compared 



with pickle, 41 5 ; at intervals of time, 63 1 ; 



at various stages of pan process, 47 8 -48 2 . 

 Brines, two classes, 38 s ; comparison, 61 9 - 



67; table, facing p. 62 ; See also Salt 



springs; Sea water. 

 Broome co., salt springs in, 18 4 . 

 Buttons, R. D., gypsum quarry, 8 1 . 

 Byington, Benajah, search for rock salt 



near Salina, 17 6 . 

 Caledonia white land plaster, 75 s . 



Candee, W. W., gypsum quarry, 79 1 . 



Carlton, salt springs at, 19 3 . 



Caspian sea, constituents, g ! ; deposits, 



I3 1 - 

 Castile, salt works at, 20 8 . 

 Cayuga co., salt springs, 17 8 ; gypsum 



beds, 72 4 . 

 Cayuga marshes, salt springs, 1S 1 . 

 Cayuga plaster co., quarry, 7i 9 -74 7 . 

 Central square salt springs, 18 5 . 

 Charlevoix on Onondaga salt springs, 15 2 . 

 Clark, Amos, gypsum quarry, 79". 

 Clarke, W : C, assistance acknowledged, 



5 9 -6 ! . 

 Clarkston, salt springs near, 19 1 . 

 Clay deposits upon rock salt, io 3 . 

 Clyde, salt springs at, 18 8 . 

 Cogswell, W : B., acknowledgments to, 



21 8 . 

 Conover, Theodore, gypsum quarry, 74 s - 



75 1 - 



Constantia salt springs, 18 6 . 



Corniferous limestone, basis of measure- 

 ment, 32 6 . 



Cortland co., salt springs in, 1S 4 . 



Cottons, gypsum quarry at, So 1 . 



Creuxius, on Onondaga salt springs, 15 5 . 



Crystal salt co. system, 35 s . 



Cuylerville, salt works at, 2i 4 ~49 2 . 



Dead sea, formation, 8 6 , li 1 -!^ ; con- 

 stituents, 9 1 , 12 7 . 

 Delaware co., salt springs in, 1S 3 . 

 Delhi, salt springs near, iS :; . 



