334 THE CANADIAN NATURALIST. [Vol. vii. 



Reca2ntuJat ion. 



Tons. Pounds. 

 Portage Lake District 15, 194 1,429 



Keeweenah Point District 2,781 1,903 



Ontonagon District 537 1,117 



Grand Total for 1873 18,514 4,449 



Or about 14,811 tons of ingot. 



The Copper Mineral (of about 80^9er cent?) produced from 



1845 to 1874. 



1845 to 1854 7,042 



1854 to 1858 11,312 



1858 4,100 



1859 4,200 



1860 6,000 



1861 7,500 



1862 9,962 



1863 : 8,548 



1864 8,472 



1865 ^0,791 



1866 iu,^;6 



1867 11,735 



1868 13,049 



1869 15,288 



1870 16,183 



1871 16,071 



1872 15,166 



1873 18.514 



Total 194,909 



About 150,575 tons ingots ; value about $82,000,000. 



In 1872 there were distributed in dividends — 



Calumet and Hecla $2,750,000 



Quincy 350,000 



Pittsburgh and Boston (f^\\Vi) 100,000 



Central . . . 80,000 



Minnesota 50.000 



Franklin 20,000 



Pewabic 20,000 



National 20,000 



Total dividends $3,390,000 



Total assessments 190,000 



Excess of dividends over assessments. . 3,200,000 



The same mines have been remunerative from their openings 

 and have yielded 11,810,000 dols. 



