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Scientific American, Vol. 75, No. 9 (August 1896) (1896)

leaf 7

An illustration from Scientific American, Vol. 75, No. 9 (August 1896), 1896, leaf 7
nt. Gold and copper are found com- wide, and is entered by two funnel shaped holes, and bined in all proportions without materially affecting local reputation for its mysterious ''lake gun." A extends downward in some places 70 feet. The sides the color of the former, except that it is somewhat… … began about midnight of January 9, into purple vapors. Gold has little if IN THE HOMESTAKE MINES, LEAD CITY, SOUTH DAKOTA. 1784, continuing for a month. any affinity for oxygen. " From the 13th to the 16th of Janu- It undergoes no change on exposure to the atmosphere, and is not affected by…

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