Title from album note Additional information from album: During 1916 and 1917, numerous cave-ins were occurring in the upper levels of the mine; in order to protect the Treadwell, Mexican, and "700" mines, the bulkhead was constructed in the...
Title from album note Additional information from album: The Treadwell, "700," and Mexican mines were all flooded, building up air pressure, which exploded the Mexican shaft house; the Ready Bullion mine was protected by a newly constructed...
Caption: After a nose first crash during Wiley Post's round the world solo flight the Winnie Mae has been set upright and is ready to be repaired. The miners of Flat, Alaska, are taking apart the tripod that helped to set the airplane upright.