258 



CEMENTS, LIMES, AND PLASTERS. 



TABLE 116. 

 ANALYSES OF NATURAL CEMENTS, CENTRAL NEW YORK. 



W. M. Smith, analyst. 20th Ann. Kept* 



aga 

 U. S. Geol. Survey, pt. 6, p. 428. 



2. Near Chittenango, Madison County. L. C. Beck, analyst. "Mineralogy of New York' 



p. 80. 



3. South of Utica, Oneida County. Gillmore. "Limes, Cements, and Mortars", p. 125. 



4. Average of preceding three analyses. 



TABLE 117. 

 ANALYSES OF NATURAL CEMENTS, AKRON-BUFFALO DISTRICT, N. Y. 



Average index, excluding No. 10 = .911 



Average CaO = 39.666 _ 



Average MgO =22.908 



1. "Union Akron." Haas and McGraw, analysts. Engineering News, April 30, 1896. 



2. "Newman Akron." Quoted by Cummings. "American Cements", p. 35. 



3. "Akron Star." C. Richardson, analyst. Brickbuilder, vol. 6, p. 229. 1897. 



4. "Buffalo Portland." N. Lord, analyst. Reports Ohio Geological Survey, vol. 6, p. 674. 



5. "Buffalo." C. Richardson, analyst. Brickbuilder, vol. 6, p. 229. 1897. 



6. "Obelisk." Quoted by Cummings. "American Cements", p. 35. 



7. C. Richardson, analyst. Brickbuilder, vol. 6, p. 229. 1897. 



8. "Storm King Portland." Tests of Metals, etc., at Watertown Arsenal, 1901, p. 



9. "Akron Star." Tests of Metals, etc., at Watertown Arsenal, 1901, p. 

 10. "Obelisk." Tests of Metals, etc., at Watertown Arsenal, 1901, p. 



