INDEX TO CLAYS OF NEW YOKK 



931 



Corning, shales, 831*, 839»-40=. 



Corning brick and terra cotta cc, 

 650^ 755»-56S 763", 764«; illus. fac- 

 ing p. 764, 839. 



Cornwall (Eng.), kaolin mines, 498^ 

 499°, 500". 



Cormvall (N. Y.), terraces, 582''-83S 

 590°; delta deposits, 588», 589*. 



Cornwall-on-the-Hudson, clay deposits, 

 577*; brick yards, 696^ 



Cortland county, brick yards, 731*. 



Corwin & CuUough, brick yard, 705^- 

 6». 



Cost, of burning, 676' j double-coal 

 bricks, 675'; dredging clay, 690^; 

 enameled bricks, 651'; flue driers, 

 67 P; ornamental brick, 646°; produc- 

 tion of brick, 685°-86*; working clay, 

 631°. 



Covered yards, 669', 670\ 



Coxsackie, terrace, 591"; clay concre- 

 tions, 593^-94^; brick yard, 704"; clay 

 deposits, 704". 



Coykendall, S. D., brick yard, 699\ 



Cracks in bricks, 65 IS 676'. 



Cramer, E., cones, 554'; mixture in 

 glass-pot clay, 787^ 



Crandall & Marble, brick yard, 73 1^ 



Crazes, 797"; cause of, 651^; tendency 

 to, 653^ 



Cremiatsclienski, P. A., on plasticity, 

 541". 



Crescent, brick yard, 708°; clay de- 

 posits, 708». 



Cretaceous clay deposits, 572", 596*, 

 602S 605°, 606', 608', 609°, 610°, 788"; 

 illus. facing p. 608, 781, 819-20. 



Cretaceous plant impressions, illus. 

 facing p. 611. 



Cripple creek mines, production of 

 kaolinite, 500°. 



Cross-breaking tests of paving brick, 

 749'^-50". 



Crossman Bros., brick yard, 735'. 



Croton, clay deposits, 577*; delta de- 

 posits, 585*, 589*; illus. facing p. 589. 



Croton brick co., 690«-91'. 



Croton landing, clay deposits, 585", 

 689°; terrace, 591^*; use of steam 

 I shovel, 632'; brick yards, 689°. 



Croton point, clay deposits, 585*, 691*; 

 clay concretions, 594"; dredging, 

 632°; brick yards, 691*. 



Croton river, delta deposits, 588'; ter- 

 races, 591*. 



Crucibles, 61 3». 



Crugers, clay deposits, 585°; brick 

 yards, 691'-92". 



Crumpled layers, 593', 597', 603', 606°. 



Crushers, 656"; illus. facing p. 653, 656, 

 759, 765. 



Crushing rolls, illus. facing p. 660. 

 Crushing strength, of brick, 643°, 647'- 



50*, 695"; of paving brick, 750", 75 U- 



52°; of clay wares, 855*. 

 Cupola brick, manufacture, 788'. 

 Cuylerville, depth of clay, 574". 



Diana, J. D., on origin of Long Island 



sound, 607\ 

 Daub, use of, 674». 

 Daubree, A., on kaolin, 499'. 

 Davenport, W., brick yard, 713'. 

 Davidson, D., brick yard, 709'. 

 Decoration, of tile, 777^-80^ of pottery, 



814'-17*; illus. facing p. 805, 808. 

 Deerfield, brick yard, 715'; clay de- 

 posits, 715'. 

 Delaney & Lavender, brick yard, 705'- 



6'. 

 Delaware, clay deposits, 614*. 

 Delft ware, 797'. 

 Delta deposits, 576', 577*,. 581% 582«, 



583°, 588°-89°, 592\ 

 Demond, CD., use of Bishof's method, 



558*. 

 Dennings Point, clay deposits, 586'. 

 Denton, J., & Son, brick yard, 73 IS 

 Deposits, see Clay deposits; Delta 



deposits. 

 Derbyshire brick co., 703'. 

 Devonian shale, 825'. 

 Diamond brick co., 694°. 

 Diatoms, 594*, 595», 597', 597', 598", 



603", 609'; illus. facing p. 600-1. 

 Dietschler, H., & Son, brick yard, 723». 

 Dillsboro (N.C.), clay analysis, 539'- 



40'. 

 Dinan & Butler, brick yard, 697'. 

 Dinas brick, 784'. 

 Diorite, 584^. 



Directory of clay workers, 913*-25*. 

 Disintegrators, 656'-57*. 

 Dolan, John, clay bank, 709°. 

 Dolgeville, brick yard, 713'. 

 Dolomite, 508', 520', 524*. 

 Donnelly & Son, brick yard, 693'. 

 Double-coal brick, 675\ 

 Dove, W. G., brick yard, 718'. 

 Down-draft kiln, 673°, 674% 677»-78», 



745°, 814°; illus. facing p. 677-78, 



745, 768, 784. 

 Drain tile, value of output, 493', 494'; 



characteristics of clay for, 770*; 



four kinds, 770«-71*; size, 771'; 



manufacture: 770"-72»; illus. facing 



p. 768; in Missouri, 622*; manufac- 

 turers in New York state, 771»-72% 



913"-25*; in Texas, 626°. 

 Drainage, of clay bank, 630'; of brick 



yards, 669'. 

 Dredging clay, 632', 690'. 



