146 



REPORT OF THE 



IV — Scribner's Salt Well, near the Railroad Depot, Grand 

 Rapids. Bored in 1859-60. Notes furnished by James Scrib- 

 ner, Esq. 



-- a ~ ■ 



At 



Depth 



of 





Ft. 



Ft. 







51 



51 



1 



52 



2 



54 



79 



133 



66 



199 



5 



204 



54 



25S 



57 



315 



10 



325 



55 



380 





DESCRIPTION of ROCKS, &c 



Ft. 



51 



153 



The portion of the Carboniferous Limestone below the " Red Layer." 



Shale, compact. 



Hard blue limestone, called here " Waterlime." 



Argillaceous strata with occasional beds of limerock, and coarse and 



fine grained layers of sandstone, from 1 to 5 feet in thickness. 

 Argillaceous rocks, somewhat harder. First indications of salt." The 



whole series saliferous, gypsiferous and pyritiferous. Occasional 



layers of sandstone and limestone. 

 Highly ferruginous and pyritous rock, exceedingly hard. 



Sandrock, porous, with salt water. 



Sandrock. 



Clay. 



Sandrock. 

 Sandrock continuing. 





