U.S. Bureau of Mines
Lake Lynn Laboratory
Photo Gallery

American Industrial Mining Co.
Preserving Our Mining and Industrial Heritage
Non-profit preservation, restorations and education
  1. U.S. Bureau of Mines
    U.S. Bureau of Mines
    The laboratory was turned over to Niosh in the late 1990's.
  2. U.S. Bureau of Mines
    U.S. Bureau of Mines
    The mine was built and designed to conduct real time mine explosions. One of the explosion proof doors.
  3. U.S. Bureau of Mines
    U.S. Bureau of Mines
    To set the charge an electrical panel with what is similar to 8 spark plugs protruding would ignite the blast.
  4. U.S. Bureau of Mines
    U.S. Bureau of Mines
    One of the simulated coal mine explosion workings. Scientific data gathered here for seal tests.
  5. U.S. Bureau of Mines
    U.S. Bureau of Mines
    The underground portion of the laboratory was conducted in a former limestone mine. Tall workings.
  6. U.S. Bureau of Mines
    U.S. Bureau of Mines
    The other side of the limestone mine was developed similar to a room and pillar coal mine.
  7. U.S. Bureau of Mines
    U.S. Bureau of Mines
    One of the giant underground bunker explosion control doors.
  8. U.S. Bureau of Mines
    U.S. Bureau of Mines
    Rib control testing products were also conducted at this laboratory.
  9. U.S. Bureau of Mines
    U.S. Bureau of Mines
    Back above ground is the substation for the mine test railway.
  10. U.S. Bureau of Mines
    U.S. Bureau of Mines
    The simulated railway was set to a 4% grade incline.
  11. U.S. Bureau of Mines
    U.S. Bureau of Mines
    The mine locomotive was not equipped with air brakes but the coupler had piping to conduct the experiments.
  12. U.S. Bureau of Mines
    U.S. Bureau of Mines
    The limestone mine portals in the foreground. The mine cars were equipped with air reservoirs.
  13. U.S. Bureau of Mines
    U.S. Bureau of Mines
    Special couplers were fabricated for the experiment.
  14. U.S. Bureau of Mines
    U.S. Bureau of Mines
    Simulated mine rail haulage.
  15. U.S. Bureau of Mines
    U.S. Bureau of Mines
    10-ton Jeffrey Mine Locomotive on site to conduct the experiments for possible air brakes on mine cars.
  16. U.S. Bureau of Mines
    U.S. Bureau of Mines
    The laboratory was closed by the U.S. government and the railway removed.
  17. U.S. Bureau of Mines
    U.S. Bureau of Mines
    The contractor reclaiming the site contacted our group and graciously donated the mine locomotive and substation to our team.
  18. U.S. Bureau of Mines
    U.S. Bureau of Mines
    Ray and Pete 2007 at the laboratory.
  19. U.S. Bureau of Mines
    U.S. Bureau of Mines
    Staged and ready to be loaded.
  20. U.S. Bureau of Mines
    U.S. Bureau of Mines
    The substation will be a huge help to our organization. It will now give us the capability to operate high horsepower mining equipment.