894 



NEW YOEE STATE MUSEUM 



Brick clays 



o 



15 



10 

 11 



12 

 13 



14 



15 



16 

 17 

 18 



19 



20 

 21 

 22 



24 

 25 



26 



27 

 28 

 29 



31 

 32 



33 



34 



85 

 36 



State and county 



N. Carolina (conVd) 

 Halifax 



Harnett. 



Jackson 



Mecklenburg. 



Rowan 



Richmond. 



Robeson , 

 Union . . . 



Wake . . 

 Wayne . 



Wilkes., 



North Dakota: 

 Grand Forks. 



Burleigh . 

 Williams 

 Ward .^^ 



Stark 



Ohio: 



Stark 



Franklin . . 

 Lawrence 

 ( 

 Lake 



Lorain , 



'--'^-:tn:t.7^Ki-^.i 



Trumbull , 



Town 



Roanoke rapids. . . 

 Spout springs 



Sylva 



Charlotte. 



Salisbury 



4 miles north of 

 Rockingham 



Red Springs . 

 Monroe 



Raleigh. . . . 

 Goldsboro. 



Wilkesboro. 



Grand Forks 



Bismarck 



Williston 



( Cottons 



Remarks 



Under brick clay . . 

 Not worked 



^ mile south of sta- 

 tion. Not worked. 



D. K. Cecil's yard. . 



F. W. Shuman's 

 yard 



Sassamon's brick 

 clay 



Upper clay, As- 

 bury's yard 



D. K. Cecil's yard. 



R. L. Steele's brick 

 clay 



Sandy brick clay. . . 

 J T. Shute's brick 



clay 



Penitentiary clay 



pits. 



H. L. Grant's brick 



clay . . 



Weil's clay pit 



Grant's brickyard. . 

 D. Smoak's upper 



clay ." 



D . Smoak's bottom 



clay 



Clay with coal 



Minot 

 mine) 



Dickinson.... 

 : Lehigh mine , 



Canton , 



Waynesburg . 

 Colu r.bus — 

 Coal grove... 



Wickliffe , 



Doughton 



Blue clay . . . 

 BufE clay .. 

 White clay 



Shale , 



Clay 



Brick and tile clay 



Shale , 



SILICA 



Com- 

 bined 



blue- 



Semi-plastic 



gray clay 



Yellow clay 



Plastic, whitish 



gray 



Free 



59.68 

 64.16 



50.68 

 53.65 



66.7 

 68.35 



59.15 



65.95 



60.33 

 69.89 



59.59 



78.16 



76 16 



70.03 



66.05 



67,9 



65.95 



53.75 



52.25 



51.27 



58.73 



57.8 



56.86 

 56.03 

 55.77 



57.1 



49.3 



14.5 1 56.; 



56.9 



58.26 

 59.24 

 60.38 



60.55 



63.69 



62.86 



66.38 



Alumina 



Ferric 

 oxid 



16.09 



8.91 



21.76 



1.E8 



32.51 

 28.66 



3.06 

 4.5 



19.75 

 13.13 



3.35 



6.87 



18.36 



6.04 



14.67 



7.61 



18.57 

 15.31 



10.03 

 4.39 



22. or 



4.27 



8 36 



4 09 



9.98 



4.46 



15.64 



2.88 



17.81 

 18 74 

 13.51 



6.69 

 3.16 



4.64 



24.91 



7.99 



20.66 



11.14 



9.33 



3.53 



14.98 



5.63 



9.47 



3.16 



25.03 



6.11 



24.23 



9.46 



12.15 



4.27 



21.29 



24 



12.63 



28 



7.31 

 8.4 

 5.07 

 1.5 



24.64 

 24.73 

 18.39 



7.39 

 5.07 

 3.714. 



18.29 



4.7 



23.91 

 23.91 



31.49 



3.57 

 9.21 



3.31 



