The Historic Lisbon Valley Mining District (Site) is located southeast of La Sal in San Juan County, Utah. Copper was discovered in the area in 1892 and mining activities increased in the late 1920’s after the additional discovery of uranium and vanadium. Tronox operated in the Mining District and the area was a major producer of both uranium and copper until historic operations in the district ceased in the late 1980’s.
EPA has identified several preliminary locations of interest including the historic Homestake North, La Sal No2, McCormic & Standard, and Velvet Mines. These locations are all on public land managed by BLM.
Removal Action (potential)