2t)2 



NEW yOKK STATE MUSEUM 



Tompkins & Smith, brick yard, 204^ 



Tompkins, T. & son, clay bank, 181^. 



Tompkins county, brick manufac- 

 turers, 250^-51. 



Tonawanda, clay deposits, 102^; brick 

 yards, 204^-51. 



Topography, indications of clay de- 

 posits from, 143''-44^. 



Torrey Park land co., 203'. 



Townsend, P. M. C, brick yard, 209^ 



Trautwine, — quoted, 154'. 



Troy, brick yards, 192''; clay deposits, 

 192^; sewer pipe manufacture, 228^. 



Tunnel driers, Wd^-W. 



Turner, J., brick yard, 208'. 



Ulster county, brick manufacturers, 



244M7. 

 Underbill, W. A., brick yards, 177^- 



78*. 

 Underlying material, table, 240-41 . 

 Undermining, 147^. 

 Unstratified material, IIS*. 

 Up-draft kilns, 164^ 

 Utica shale, 106'. 



Van Cortland, delta deposits, 114®. 

 Van Dusen, F. M., brick yard, 186^ 

 Vaughn, Charles, brick yard, 194''. 

 Vernon, W. H., brick yard, 212^ 

 Verplank, clay deposits, 112', 178^-795. 

 Verplank Point, brick yards, 171*. 

 Vitrification, 152^. 



Vulte, Dr H. T., analyses, 97**; on 

 method of analyzing clays, 141^-43''. 



Walkill valley, terrace, 116^ 

 WalUng up kilns, lQi\ 

 Walsh bros., brick yards, 189^. 

 Wappinger creek, delta deposits, 108', 



114^ 

 Warners, brick yards, 2005-19, 229^; 



clay deposits, 2005-1^ . 

 Warren county, brick manufacturers, 



246^7. 

 Warsaw, depth of clay, 101®. 

 Warwick, clay deposits, 213^-14^. 

 Washburn, M. F., & L. F,, brick 

 yards, ISO^. 



Washburn, U. F., & J. T., brick yard, 

 1S6«. * 



Washed brick, 162''. 



Washing clay, 236^ 



Washington county, brick manufac- 

 turers, 246''-47, 



Water smoke, 165*, 174^. 



Watertown, clay deposits, 102^, 

 195^-96'; brickyards, 195^-962. 



Watertown pressed brick company, 

 195^-96^ 



Watson, Robert, brick yard, 196''. 



Weathering clay, 156®, 224^. 



Weaver, G. F., sons, brick yard, 199'. 



Weedsport, brick yards, 202''. 



Weight of clay, 140*. 



Wells and Brigham, brick yard, 

 2119-12'. 



West Deer Park, stratification, 129®; 

 brick yards, 218^-19®; clay deposits, 

 218<'-198. 



West Neck, clay deposits, 122«, 128'^ 

 131^ 2153; fossils, 128'; crumpled 

 strata, 1319-33'; brick yards, 215^. 



Westchester county brick manufac- 

 turers, 2425-43. 



Wet pan crushers, 167^. 



Whale, skeleton, 120®. 



Wheeler, H. A., formulas, 140'-41*. 



Wheeler, O. B., clay beds, 212M32. 



Whitehall, terraces, 120*. 



Williams, C. L., brick yard, 193®. 



Willis, H. M., clay pit, 214*. 



Wire rope haulage, 148^. 



Wirecut machines, 168^-71''. 



Wood & Keenan, brick yard, 221'^. 



Working, methods employed, 145^-48''. 



Worm tracks, 120^. 



Wrape & Peck, brick yard, 195*. 



Wyandance brick and terra cotta co. 

 218«- 95, 229*. 



Wyoming, depth of clay, 101®. 



Yards, see Brick yards. 

 Yates Center, clay deposits, 102^. 

 Yellow clay, characteristics, 1049-5'. 

 Yellow . gravel, 137''; on Long Island, 



133'; on Staten Island, 134'. 

 Yonkers, delta deposits, 114®. 

 York, depth of clay, lOl^. 



