(Above) Outdoor exhibits at the Bonne Terre Mine feature examples of the many types of equipment used underground in the Southeast Missouri lead mines.
(Right) MHAers prepare to enter the Bonne Terre Mine by walking down a long staircase. Once underground they have plenty of headroom in the vast open stopes where lead ore was mined for nearly a century. The deeper parts of the mine are now flooded. The underwater galleries are a popular destination for scuba divers.
MHAers stand in one of the open stopes. Note the “cloud” of water vapor hanging in the air.
The Johnsson family poses next to one of the huge pillars of rock which support the mine roof. The pillar is coated with flowstone.
MHAers start their tour of the Missouri Mines State Historic Site. CLICK HERE for a map of the site.
The Federal No. 3 Mill (right) was the largest concentrator operated by the St. Joseph Lead Company in the Old Lead Belt.
Run-of-mine ore passed through primary and secondary crushers before ascending to the top of the mill by twin conveyors.
Close-up view of the shaft headframe. An extensive system of underground rail lines linked the mill to mines. The power house building (at the extreme right edge of the photo) contains a mining museum.