Square-set timbering in the Homestake Mine - Lead, South Dakota 1908.
Fifth and Allen was the center of Tombstone during the war between the Cowboys, the Earps and Doc Holliday in 1881-82.
Wolfpack pilots of the 8th Tactical Fighter Wing sweep Colonel Robin Olds away from his F-4 Phantom II aircraft following his return from his 100th combat mission over North Vietnam. Olds led the Wolfpack through the past year as it amassed 24 MiG victories, the greatest aerial combat record of an F-4 Wing in the Vietnam war.
Oil was first discovered in Oklahoma by, accident, in 1859, near Salina, in the then Oklahoma Territory, in a well that had been drilled for salt. In 1907, before Oklahoma became a state, it produced the most oil of any state or territory in the United States.