Hertzler Tailings Impoundment Stillwater Mining Company Nye, Montana The Stillwater Mine is an underground palladium and platinum mine located just east of the city of Nye in south-central Montana. DelHur was contracted to construct a Tailings Impoundment. The project work scope included the removal of surface soils/unsuitable material, preparation of embankment foundation, open excavation and [...]

East Boulder Mine - Stage 2 Tailings Storage Facility Stillwater Mining Company Nye, Montana The project work scope included clearing, stripping, and grubbing 30 acres, removal of surface soils/unsuitable material, embankment foundation preparation, excavation/embankment, processing/placement of sand and gravel (basin underdrain and erosion protection), subgrade preparation, liner bedding, excavation/backfill anchor trenches, installation of geotextile cushion [...]