52 KANSAS CITY REVIEW OF SCIENCE. 



THE PRECIOUS METALS. 



The Census Bureau has engaged Mr. Clarence King, who was recently at 

 the head of the scientific survey, to collect the statistics of the production of 

 the precious metals. Mr. King is well fitted for this work by his former studies 



and investigations, and has made a valuable report. The following table shows 



the aggregate production of the precious metals for the year ending March 31^ 

 1880 : 



Deep Mines, Placer Mines. 



Alabama $ Ij3oJ[ ..... 



Alaska $ 6,002 



Arizona. ...... . . 2,507,534 30^256 



California 9>6S2,575 8,649,253 



Colorado 19,146,066 103,106 



Dakota 3j325>547 S^^iop 



Georgia 14,166 67,195 



Idaho 1,049,510 894,684 



Maine 10,199 



Michigan 25,858 



Montana 3.539.73° 1. 171.105 



Nevada 17,268,482 50.427 



New Hampshire ...... 26,999 



New Mexico 441,691 



North Carolina ". . 114,367 4.726 



Oregon 190,172 934,522 



South Carolina . 6,499 6,597 



Tennessee . 1,998 .... 



Utah 5,014,503 20,171 



Virginia „ . . . 9,3.21 



Washington 16,800 120,019 



Wyoming 17,321 



Total $62,381,448 $12,109,172 



ALL MINES. 



Gold. Silver. 



Alabama $ 1,301 



Alaska 5,951 51 



Arizona 211,965 2,325,825 



California 17,150,941 1,150,887 



Colorado 2,699,898 16,549,274 



Dakota . 3,305,843 70,818 



Georgia 81,029 332 



Idaho 1,479,653 464,530 



