92 



NEW YORK STATE MUSEUM 



Collins quarries, 48. 

 Conquest, 34. 



Conover, Clara, farm, 39. 

 Conover, C. M., farm, 39. 

 Conover, Eliza, farm, 39. 

 Conrad, T., cited, 89. 

 Consolidated Wheatland Land Plas- 

 ter Co., 46, 64. 

 Cottons, 2^. 

 Cowaselon creek, 27. 

 Crayons, 12. 

 Cresis, quarry, 35. 

 Crill, James, farm, 26. 

 Cross Roads, 34. 

 Cundall, 74. 



Davis, W. A, cited, ^2>, 74, 76, 78, 



90. 

 Delafield, John, cited, 36. 

 Diamond Wall Plaster Co., 45. 

 Dwyer & Canear, 33. 



Eckel, E. C, cited, 12, 89, 90. 

 Elba, 47, 48. 



Empire Gypsum Co., 41. 

 Empire Plaster Co., 38. 

 Englehardt, F. E., analysis by, 27. 

 English Plaster Co., 49. 

 Erie county, 51-58; salt, 21. 

 " Estrich " gypsum, 14, 88. 



Falkirk, 52. 



Fayetteville, 29, 63 ; quarries, 30. 



Fenner, 26. 



Fiddler's Green, 32. 



Flooring plasters, 14. 



Fort Hill, 41, 47, 51. 



Frontenac island, 34. 



Ganargua creek, 39. 



Garbutt, 40, 41, 46, 47, 64. 



Garbutt Gypsum Co., 42-43, 64. 



Gardenville, 22. 



Genesee county, 47-51. 



Genesee Plaster Co., 48, 49. 



Genesee valley, salt, 21. 



Geology, 15-58. 



Glasenapp, M., cited, 90. 



Glass industry, gypsum used in, 13. 



Gourley, Mark, farm, 39. 



Grimsley, G. P., cited, 77, 78, 86, 90. 



Grinnell, Ezra, 40. 



Gypsite, 10. 



Gypstereotyping, 15. 



Gypsum (village), 38. 



Gypsum, history of industry, 6-8; 

 statistics of production, 6-8 ; chem- 

 ical and mineralogic characters, 

 8-1 1 ; varieties, 10; uses of, 11-13; 

 occurrence in New York State, 15- 

 18 ; nature of deposits, 24-25 ; de- 

 tails of distribution, 26-58; 

 chemical analyses, 59-61 ; character 

 of, in New York, 59-79; methods 

 of prospecting and exploiting de- 

 posits, 61-64; permanence of sup- 

 ply, 61 ; origin of, 64-68 ; deposi- 

 tion from sea water, 656-7; mode 

 of origin applicable to New York 

 deposits, 69-71 ; theory of trans- 

 formation to plasters, 71-79; prop- 

 erties, 71-79. 



Gypsum earth, 10. 



Gypsum plasters, technology of, 79- 



Hall, James, cited, 24, 37, 47, 48, 89. 



Harman farm, 46. 



Harris, G. D., cited, 68. 



Hartnagel, C. A., cited, 16, 22. 



Heard quarry, 29. 



Henrietta, 41. 



Herkimer county," 26. 



Heth, Winslow, 37. 



High Falls, shales, 17. 



Hill, Monroe, quarry, 33. 



Hills Branch, 34. 



Hobokenville, 27. 



Hopkins, T. C, cited, 89. 



Howland, quarry, 35. 



Howland point, 34. 



Hughes, mentioned, 47. 



Hunt, T. S., cited, 90. 



Indian Falls, /8, 50. 

 Ithaca, salt, 21. 



Jamesville, 29, 63; quarries, 31. 

 Jenkins, mentioned, 47. 



