The Coal Mines of the United States of North America. 39 



the year I860, ending on June 1st, it appears that the total 

 amount of anthracite coal mined was 9,398_,332 tons. Of this, 

 1000 tons came from Rhode Island, and all the rest from 

 Pennsylvania. The amount of bituminous coal mined in the 

 same year was 5,842,559 tons. Of this, Pennsylvania sup- 

 plied about 2,700,000 tons. The anthracite coal was valued 

 at 11,874,574 dollars, and the bituminous at 7,526,681 dollars, 

 making a total of 19,401,255 dollars. 



ADDENDA. 



On the roofs of the coal seams are shales with distinct 

 impressions of ferns, as the Pecopteris lonchitica, the Neurojp- 

 teris cor data y and stems and trunks are found of the Lepido- 

 dendron, Catamites, Sigillaria and Stigmaria, of which latter 

 there is an abundance in the mines at Blossberg, Penn- 

 sylvania, often several yards long with their leaves and rootlets 

 attached. 



Statistics op Coal Mines in the United 'States in the 

 Year ending June 1st,, 1860. 



The following statistics of the coal mined in the United States during the 

 year 1860 appeared in the report of the last census : — 



Bituminous. 



Akthsacite. 



States. 

 Rhode Island 



Bushels. 



95,000 



66,994,295 



11,200,000 



28,339,910 



379,035 



14,258,120 



72,500 



97,000 



3,474,100 



6,732,100 



11,229,675 



10,000 



48,000 



134,350 



Value. 



$28,500 



2,833,959 



461,338 



1,539,713 



27,000 



964,187 



6,500 



8,200 



413,662 



476,800 



725,678 



1,200 



4,800 



32,244 



Tons. 

 1,000 



9,397,332 



Value. 

 $5,000 



Penn sy lvania 



11,719,574 



Maryland 



Ohio 





Indiana 





Illinois 





Iowa 





Missouri 





Tennessee 





Kentucky 





Virginia 





Alabama 





Georgia 





Washington Territory ... 





Bushels 



146,063,975 



$7,526,681 





Twenty-five bushels to a ton is 5,842,559 tons. 



Anthracite tons , 9,398,332 $11,874,574 



Bituminous tons 5,842,559 7,526,681 



Value of coal mined in 1850, agreeably to census returns 

 Increase(171 per cent.) 



$19,401,255 

 $7,173,750 



$12,227,505 



