888 



NEW YOKE STATE MUSEUM 



Brick clays 



o 



9 



10 



11 



13 

 13 

 14 

 15 



18 



17 

 18 



19 



SO 



21 



S3 



as 



V4 



25 



27 

 28 

 £9 

 30 



31 



32 



33 



.34 



35 



36 



State and county 



Kansas: 

 Greenwood 



Kentucky: 

 Ballard . . . . , 



Graves. .. 

 Marshall . . 

 Campbell . 



Boone.. . 

 Grayson 



Ohio 



Louisiana: 

 Ouachita .... 

 Catahoula . . , 

 Claiborne . . , 

 New Orleans. 



Maine 



Massachusetts: 



Middlesex 



Dukes 



Berkshire. 



Maryland: 



Michigan : 



Ke.nt 



Marquette , 



Jackson. 



Minnesota: 

 McLeod . , 

 Hennepin . 

 Lesut-ur . . 



Blue Earth 



Mississippi: 



Missouri: 

 Manon Hannibal 



Town 



Flintridge. 



Wickliffe. 



Lynnville. 

 Highland. 

 Newport . 



Mount Vernon , 



Burlington 



Cijnolaway creek . 



Elm lick. 



Ba'd knob church. 



Forksville (5 m. e.) . 



Rosefield. 



Homer 



jummpiac , 



West Cambridge. . . 

 Gayhead, so. end . , 



Clayton , 



East of Baltimore. . 



Grand Rapids .... 

 Marquette 



Springport 

 ship 



town- 



Hut' hinson . 

 Minneapolis. 

 Ottawa ... . 

 Coon Cr-ek . 

 Mankato .... 



Clingscales . 



Cass . . 

 Carroll. 



Oole 



Creig'ton 



Norborne, Davy 

 clay ballast CO 



Jefferson City 



Remarks 



Yellow clay . 

 Clay 



Clay 



Ferrug, clay 

 Clay 



Gray clay , 



Clay 



Sandy clay. 



Glacial clay 

 Red clay 



Brick and terra- 

 cotta clay 



Red sandy, 8 feet 

 from top 



Gray, les'^ sandy, 23 

 feet from top 



Blue, no sand, 38 

 feet f 1 om top .... 



Clay. 



G. H. Wolcott's 

 yard 



Clay shale 



Washed brick clay . 



Gumbo clay, for 



ballast 



Makes red brick . . . 



SILICA 



Com- 

 bined 



Free 



58.2 



44.84 



62.68 

 60.98 

 72.66 



83.56 



48.36 

 68.38 

 61.58 

 70 86 



62.76 



58 43 



61.91 



82.83 



16.36 (48.27 



63.69 



48.99 

 57.5 



50 



77.62 

 72.03 

 71.66 



58.7 

 54.63 



53.26 



48.25 

 60.31 

 59.72 

 60.31 

 70.1 



87.7 



90.877 



70 

 59.65 



54.9 

 74.39 



Alumina 



29.8 



23.83 



35.88 

 18.48 



Ferric 

 ox id 



20.50 

 13.333 



a5.4 



30.35 



2.9 

 7.5 



33.06 



19.383 

 23.946 

 19 34 



26.43 



22.45 



18.38 



6.48 



14.07 



17.03 



7.588 

 5.814 

 3.13 



1.58 



3.33 

 2.14 

 1.43 

 4.06 



10.18 



38.9 3.89 



31.21 



44 



13.46 

 16.66 

 16.93 



a1.07 



4.1 

 1.38 



1.82 



25.95 

 13.83 3 



32.95 



33.77 

 30 



23.77 

 16.99 



7.24 



3.314 



15.94 

 37.27 



18 03 

 12.03 



8.15 



36.60 



7.96 



'7!96* 

 tr. 



tr. 



.126 



1 4 

 1.13 



6 03 

 4.05 



