892 



NEW YOBK STATE MUSEUM 



Brick clays 



o 



2 



S 



4 

 6 



6 



7 



8 

 9 

 10 

 11 

 12 

 13 



14 



15 

 16 



ir 



18 

 19 



20 

 21 



22 

 23 



21 



25 

 26 

 27 



2S 



29 



30 



State and county 



New York ( confd) 

 Ontario 



Westchester. 



Ulster. 



North Carolina: 



Wilkes 



Harnett , 



Robeson. 

 Lenoir. . 

 Bladen... 



Buncombe . 



Burke 



Cleveland. 



Cumberland.. 



Forsyth. 



Gaston . . , 

 Guilford. 



Halifax. 



Town 



Canandaigua. 



Croton point. 

 E. Kingston.. 



Wilkesboro . . . 

 Spoutsprings. 



Shoe heel depot . 



Prospect hall. 



Emma. 



Fletcher.. 

 Morganton.. 

 Grover 



Fayetteville. 



Bethania. 



Mount Hollj'. 

 Greensboro. 



Roanoke rapids. 



Remarks 



For hydraulic dry 

 press brick, Qua^ 

 ternary clay 



Blue clay 



Yellow clay 



Champlain clay. 



Purple clay. 



Upper brick clay. . . 



Middle brick clay. . . 



Lower brick clay. . . 



Upper clay, Penni- 

 man's yard 



Lower clay, Penni- 

 man's yard 



Brick clay 



McDowell's yard... 



Pow. clay mfg co., 

 clay for white 

 face brick 



Same company, pit 

 J^ mile east of 

 Grover.. .... 



Under clay for red 

 brick, Cleveland 

 brick CO 



Upper clay, same 

 company 



E. A. Poe's brick 

 clay 



So-called "tough 



clay," same yard. 

 Carter & Shepard, 



lower brick and 



tile clay 



Upper clay. Carter 



& Shepard 



Not worked 



Dean's brick clay.. 

 Greensboro brick 



and tile co. . . . 

 Kirkpatrick's brick 



clay 



Upper sandy brick 



clay 



Middle brick clay . . 



SILICA 



Com- 

 bined 



Free 



46.55 



51.61 



56.75 



55.45 

 61.65 



54.808 

 56.63 



60.93 



72.25 



56.13 



63.3 



55.65 



66.27 



70.66 

 75.08 

 67.03 



53.07 



64.13 

 61.75 



6S.45 

 64.93 



58.17 



64.39 



55.81 

 61.28 

 59.27 



56.81 



69.7 



67.55 

 65.58 



Alumina 



12.66 



19.2 



8.19 



20.15 



8.83 



18. PI 

 15.24 



7..S9 

 5.61 



30.924 

 2o.28 



a. 787 

 5.93 



26. 5S 



1.71 



11.28 



3.63 



17.8 



5.85 



15.87 



5.48 



20.86 



5.11 



19.95 



17.21 

 13.73 



16.88 



29.54 



22.35 

 23.3 



20.03 

 17.08 



20.1 



19.11 



20.06 

 20.83 

 22.31 



20.62 



13.87 



13.16 



17.14 



Ferric 

 oxid 



4.93 



3.16 



3.44 

 3.47 

 6.50 



1.37 



1.95 

 3.34 



4.18 

 5.57 



7.43 



5.39 



11.79 

 5.51 

 6.69 



6.13 



6.13 



8.54 

 5.76 



