Interview with K.O. Dahlgren, civil engineer and Marine Corps veteran. The interview includes Dahlgren's personal experiences about being a PBJ co-pilot in the Southwest Pacific Theater during World War II, enlisting in the Navy, primary and secondary flight training through the Civilian Pilot Training Program, pre-flight training, basic and advanced flight training, and navigation school. Additionally, Dahlgren talks about his early interest in aviation, designation as an Aviation Cadet, the transition to multi-engine planes at Corpus Christi and his transfer to the Marine Corps, transferring to Cherry Point, North Carolina, crew formation and PBJ training at Cherry Point, advanced training, his personal views on combat and the Japanese, stationing to Green Island, "night heckling" missions to Rabaul, his assignment to and living conditions in Emirau, skip-bombing, strafing, and night bombing missions, rest and relaxation in Australia, his rotation back to the states, and his postwar career.

From Introduction: "The lack of comparable and accurate statistics of coal-mine accidents in the united States as a whole led the Bureau of Mines in 1911 to undertake the collection of such data. The mining departments of the leading foreign coal-producing countries have long taken cognizance of the importance of statistics. The bureau feels that in presenting the tables embodied in this report it is offering the and comparable statistics of coal-min accidents for the country as a whole that have ever been published."