... above sea level ( Ashley and Savage 2001 ). The Harvard pit began to fill with water soon after mining stopped in 1994. The water level had reached about 357 m in late 2000 ( Ashley and Savage 2001 ) and 384 m in late 2007. The Eagle-Shawmut and Clio mines are located in the Jacksonville mining...

..., weilite (CaHAsO 4 ), and Mg-sulphates ( Savage et al. 2009 ). At the Eagle-Shawmut and Clio mines, located a few km south of Jamestown, mill tailings are submerged by Don Pedro Reservoir. Secondary iron minerals in As-rich mine waste at the Eagle-Shawmut and Clio mines include goethite and jarosite...

... member of Eagle sandstone except in easternmost portion where contours are on base of Chugwater formation. Outcrop of base of Virgelle shown by hachured line, and outcrop of base of Chugwater shown by dotted line. Contour interval is 250 feet. In the SW. 1 4 of Sec. 15 and the SE...

..., comprising nearly 4,400 m of strata, include the (1) Lower Cretaceous Kootenai and Colorado Formations; (2) Upper Cretaceous Montana Group, which is composed of the Eagle Sandstone, Claggett Shale, Judith River Formation, Bearpaw Shale, Lennep Sandstone, and Hell Creek Formation; (3) Upper Cretaceous–Lower...

... Snowy anticlinorium (8,600± feet), and the laccolithic Little Rocky Mountains (6,600 feet) and Sweetgrass Hills (6,977 feet). Lower uplifts include the Las Animas arch in northeastern New Mexico and southeastern Colorado, the Hartville uplift in eastern Wyoming, the Big Elk-Shawmut laccolithic uplift...