Transportation and Mining (1881-1920) - National Park …
In the four years following the 1896 purchase, Walsh's property, renamed Camp , included 103 mining claims, twelve mill sites, and covered over 900 acres. Appraised in July, 1900 at $6,000,000, the Camp mine had, by that time, yielded $2,535,512 gross and a profit of $1,650,000.