98 



J. B. TYEEELL ON THEEE 



the log is given very much as it w^as received from Mr. McMiUan, the man in charge 

 of the drill, modified by the result of my examination of the specimens. A further state- 

 ment of the character of these specimens is given after the following table : — 



No. 



Height of Surf- ace at Boring above Sea Level, 978 Feet. 



Description op Material passed 



THROUGH. 



Light sandy soil 



Quicksand o 



Quicksand, red 



Fine gravel, red 



Lead coloured clay, with pebbles- . . . 

 Limestone boulder with fine scratches 



Small boulders and shale 



Dark grey shale 



Hard streak 



Dark grey shale 



Hard streak 



Dark grey shale 



Hard streak 



Dark grey shale 



/Hard streak, a mixture of stones 1 

 \ and shale J 



Dark grey shale 



Black shale, very gritty 



Dark grey shale 



Black Khale, h:ird and gritty 



Grey calcareous day shale 



Dark grey shale 



Soapstone 



Dark grey sliaie 



White sand with water 



White sand with particles of coal . . . . 



White shale 



White sand 



Soft grey shale 



Black shale 



Grey shale with sandstone 



Red and grey shale 



Porous limestone at 



Eed and grey shale 



Thickness 



of 



layer in feet. 



8 



3 



1 



3 

 10 



2-5 



3-5 

 24 

 ■5 



4-5 



3 



6 



1 

 11 



1 



4 



1 



7 



1 



121 



35 



3 

 67 



4 

 54 



U) 

 10 

 12 



88 



100 



Depth of bot- 

 toui of layer 

 from surface. 



S 



11 



12 



15 



25 



27-5 



31 



55 



55-5 



GO 



C2 



08 



69 



80 



81 



85 



SO 



93 



94 

 215 

 250 

 253 

 320 

 324 

 378 



3S0 



390 

 400 

 412 

 500 

 500 

 000 



Height 

 above sea. 



970 



967 



966 



9u3 



953 



950-5 



947 



923 



922-5 



918 



916 



910 



909 



898 



897 



893 



892 



885 



884 



763 



728 



725 



058 



654 



600 



598 



588 

 578 

 566 

 478 



FORMATION. 



I Alluvium, 

 ! 15 feet. 



Till, 



16 feet. 



J 



/ Pierre, 24 feet. 

 I (Millwood Series.) 



Niobrara, 



160 feet. 



Benton, 



105 feet. 



378 



Dakota, 



92 feet. 



•Devonian, 



188 feet. 



