"Standard Con. Mines Co.'s camp - Location of the Main Tunnel is indicated on the photograph - circa 1901-1903. Grant County, Quartzburg District. East fork of Dixie Creek."
"Standard Con. Mines Co.'s Cobalt Mines - circa 1901-1903 - Main Tunnel, Willie Boy Tunnel" and "Standard Tunnel" are noted. "Grant County, Quartzburg District. East of Dixie Creek."