U.S. Army Corps of Engineers Sacramento District Commander Col. Robert McTighe looks at old gold mining infrastructure at the Lava Cap Mine remediation site in Nevada County, CA. The 19th century mill has left groundwater contaminated with arsenic, and USACE is tackling the remediation with U.S. EPA to treat the groundwater using a semi-passive system where the water is routed through wetlands and limestone beds to help remove the contamination as it travels downstream.
| Date Taken: | 07.27.2026 |
| Date Posted: | 08.18.2026 12:55 |
| Photo ID: | 9875477 |
| VIRIN: | 260727-A-QE425-1001 |
| Resolution: | 4032x3024 |
| Size: | 5.16 MB |
| Location: | NEVADA CITY, CALIFORNIA, US |
| Web Views: | 4 |
| Downloads: | 0 |
This work, Sacramento District Commander tours Lava Cap Mine remediation project [Image 4 of 4], by Tyler Stalker, identified by DVIDS, must comply with the restrictions shown on https://www.dvidshub.net/about/copyright.
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