-
Walker River impacted by acid mine drainage.
-
Walker mine discharges to valley cause permanent ecological damage.
-
Walker Mine near Portola
Forest Service prepares willow bundles for installation into Walker River stream banks for stabilization.
Forest Service prepares willow bundles for installation into Walker River stream banks for stabilization.
-
Walker Mine near Portola
Willows are planted at the base of the stream bank to prevent slope instability.
Willows are planted at the base of the stream bank to prevent slope instability.
LGS staff managed site characterization and restoration design for historic abandoned copper mine located in Sierra Nevada Mountains for the California Regional Water Quality Control Board. Our staff worked in conjunction with CRWQB to evaluate existing acid mine drainage, develop remediation alternatives including wetlands treatment of copper and zinc-rich waters, and prevent discharge to adjacent streams. Preliminary design criteria and costs were developed for a landfill, capped waste pile, vegetated waste pile, mine backfilling, constructed wetlands, and chemical precipitation remedial options.
- New Research on Northern California TectonicsJames Humphrey of LGS and Jeff Unruh of LCI have published a new paper on the tectonics driving defo...
We’ve Moved!Lahontan GeoScience Has Moved! LGS has moved its office to a new location in south Reno....