"Baker [County] area mines - Standard Mines - 2 men @ entrance of mine - Shows cribbing cut for mining tunnels piled near the entrance of the tunnel - circa 1901-1903" [Copies: 2010.2.1868 - Film negative, 2010.15.00502 - Photograph print]
"Ratchet wheels and shaft for Red Boy hoist plant. Transferred by sleds pulled by a 12-horse team from Sumpter, Oregon by S.T. Co. (Tom McEwen, Manager) - Jan. 5, 1901."
"Baker [County] area mines - Platts Group Map" "Platts Group Mining Claims - Preliminary Survey, Amended Locations - Scale 200' = 1 in. - 1904" Includes latitude and longitude directions.