660 



GEOLOGY OF OHIO. 



No. 1, Iron Point ore, Shawnee, by E. G. Lore. 



No. 2, Baird ore, " " 



No. 3, below Great ^'eiii, " " 



No. 4, " " " " 



No. 5, Iron Point ore, (raw), Shawnee, by E. S. Gregory. 



No. 5, " (roasted), " " 



No. 7, Blue Limestone ore, Shawnee, by S. B. Newberry. 



No. 8, Thomas ore, Section 19, Monday Creek township, by S. B. Newberry. 



Mr. Gregory also furnishes the following analysis of the pig-iron from 

 the Fannie furnace : 



Silica 3.89 



Iron 91.45 



Graphite 2.31 



Combined carbon 0.24 



Sulphur , 0.03 



Phosphorus 0.79 



Manganese 0,65 



Iron 0.64 



The number of tons of coal shipped from this region since it was 

 opened by railroads is shown in the following table : 



Although but few mines were opened when the general depression in 

 business greatly reduced the consumption of coal, and caused the work 

 in many mines to be suspended, the low price of mining here enabled 



• From July, 1872. 



