List of Mines 1873-1874, 1887-1888.
Mineral Statistics 1872.
Mineral Statistics 1885-1889, 1892-1893.
Reports of the Inspectors of Mines List of Mines 1873-1874.
Or: Roundlow Mining Co.
List of Mines 1873-1874, 1887-1888.
Mineral Statistics 1872.
Mineral Statistics 1885-1889, 1892-1893.
Reports of the Inspectors of Mines List of Mines 1873-1874.
Or: Roundlow Mining Co.