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NEW YORK STATE MUSEUM 



Eckel. E. C. cited, 63, 71. - 

 Egan farm, 66. 

 Egert, J. G., mentioned, 59. 

 Ellingwood opening, 60-61. 

 Elliott and Butler mine, 64. 

 Englehardt, F. E., cited, 24, 25, 71. 

 Erie county, dip of strata, 18. 

 Exploration of the Clinton forma- 

 tion, 29-41. 



Fair Haven, 23, 



Fair Haven Iron Co., 35, 55, 56-58. 



Ferman opening, 64. 



Flat creek, 27. 



Foerste, A. F., cited, 71. 



Fossiliferous structure, 46. 



Frankfort hill, 42. 



Franklin furnace, 59. 



Franklin Furnace Co., 47. 



Franklin Iron Manufacturing Co., 59, 



60, 61. 

 Franklin Iron Works, 59. 

 Franklin mine, 61-64, 

 Franklin Springs, 61, 64. 

 Freibergher opening, 65. 

 Frost, M. H., farm of, ^s. 

 Furnace ville, 8, 20, 68, 

 Fumaceville Iron Co., 54, 58, 69, 70, 



Gailey, Josiah, farm, 58. 



Gale well, 24, 25. 



Genesee river, 9, 20. 



German Flats, Clinton formation, 27. 



Grabau, cited, 20. 



Green Pond conglomerate, 13. 



Guelph dolomite, 11. 



Gypsum deposits, 14. 



Hall,^James, cited, 6, 7, 8, 21, 22, 27, 



28, 49, 67, 68, 69, 71. 

 Hartnagel, C. A., cited, 8, 71. 

 Hecla Works, Clinton formation, 10. 

 Helderbergs, 10. 

 Hematite ores, see Clinton ores, 

 Herkimer county, Clinton beds, 8, 



18, 19, 27-28, 42, 47. 

 Hudson river formation, 28. 

 Hurly's ore bed, 70. 

 Huron, 67, 69. 



Iron carbonate, 45. 



Irondequoit bay, 10. 

 Irondequoit limestone, 8, 20. 

 Iroquois, lake, 10. 



Joscelin*s Comers, Clinton forma- 

 tion, 26. 



Kemp, J. F,, cited, 27, 62. 

 Kimball, James P., cited, 71. 

 Kingsnorth, Henry, farm of, 66. 

 Kirkland, 43, 58, 59, 60. 

 Kirkland furnace, 65. 

 Kirkland Iron Co,, 65. 

 Klein opening, 40, 67. 



La Frois ore bed, 70. 



Lake Iroquois, 10. 



Lakeport, 25, 26, 38-40, 43, 46. 



Laughlin farm, 65. 



Lime in Clinton ores, 48. 



Little Falls, 28. 



Localities and mines, description, 



56-70. 

 Lockport beds, 11, 22, 23, 25, 26, 27 



30. 38. 

 Lutentelly, Alonzo, 36. 



Madison county, Clinton formation, 

 5, 8, 19, 25; dip of iron ore at, 18; 

 drillholes, 38-40. 



Magnesia in Clinton ores, 48. 



Manchester, furnace at, 68. 



Manlius limestone, 11. 



Map of portion oi Clinton belt, 8. 



Martville, 35. 



Medina formation, 7, 11, 14, 15, 22, 

 25, 26, 31. 



Mineralogy and structural features, 



45-53- 

 Mines, description, 56-70. 



Mining methods, 53-56. 

 Mississippian sea, 13. 

 Mohawk river, 10. 

 Monograptus clintonensis, 31. 

 Monroe county, Clinton beds, 8, 19. 

 Montgomery county, Clinton forma- 

 tion, 28. 



New Hartford, 43, 46, 58. 

 Newland's Mills, iron ore, 66. 

 Niagara beds, 26. 



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