348 



New Yokk at this Wokld's Columbian Exposition. 



Analysis of Clays and Shales. 



LOCALITY. 



Croton Landing 



Croton Landing 



Verplank yellow clay . . 



Rondout 



Barrytown 



Catskill blue clay 



Coeymans blue clay . . . 



Plattsburgh 



Watertown 



Ogdensburg 



Warner's calcareous 



shale 



Warner's red shale. . . . 

 Warner's blue shale, . . 



Warner's clay 



Warner's cement clay. 

 Warner's cement clay. 

 Warner's cement clay. 

 Warner's cement clay. 

 Warner's cement clay. 

 Warner's cement clay. 



63.30 



57.74 



60.92 



57.80 



B9.81 



50.6 



51.10 



65.14 



64.39 



49.80 



25.40 

 52.30 

 57.79 

 45.35 

 45.12 

 43.19 

 46.00 

 41.78 

 41.70 

 44.00 



14.66 

 26.31 

 26.87 



22.6 

 22.00 



. 13.79 

 14.62 

 25.02 

 16.09 

 18.24 

 17.33 



7.35 

 6 47 

 7.65 

 5.00 



2.24 

 6 55 

 5.20 

 4.41 



O 

 O 



2.52 



4.85 

 4.35 

 3.75 

 7.45 

 2.18 



23.81 

 3.36 

 2.73 

 10.99 

 13 91 

 13.86 

 7.13 

 12.40 

 12 71 

 11.74 



O 

 be 



1.05 

 1.04 

 1.56 

 2 07 

 2,29 

 .96 

 .87 

 2 36 

 1 31 

 4.87 



+ 

 O ^ 



d « 



^ M 



12.68 



8.51 

 4.66 

 9.82 



.95 

 6.00 

 5.33 

 4.40 



■a 



Sat.- 



8 26 



7.60 

 5.30 

 4.50 

 8 90 



29.96 

 3.04 

 3.42 

 7.24 



Tr. 



Tr. 



95.45 



99.81 

 99.88 

 99.79 



