Jurisdiction: Abandoned Mine Lands
2022 Completed Projects Archive
Completed Projects (2022)
2022 Morton County Phase 3 AML Project
This reclamation project involved backsloping and backfilling 3,390 feet of highwalls with onsite mine spoil at the abandoned Youngstown Mine. Affected areas were reseeded with locally adapted grass species native to western North Dakota. The total area affected was about 12 acres. Work was conducted between March 15 and August 10, 2022. The final cost for this project was $282,645.
2022 Garrison Phase 5 AML Project
This remote backfilling project stabilized abandoned underground coal mine workings along McLean County Highway 15 and near homes in south Garrison. This project utilized drill holes from past drilling projects and an additional 4,889 feet of drilling was completed. Abandoned mine workings were filled with 2,139 cubic yards of flowable grout. Work was conducted between August 8 and October 14, 2022. The final cost for this project was $747,025.
2022 Exploratory Drilling AML Project
This project located and characterized underground mine workings beneath public roads and occupied residences. This investigatory project was conducted near the cities of Beulah, Dickinson, Garrison, Velva, Bowman, Noonan, and Scranton. Surface disturbance was minimal. Work was conducted between May 16 and September 16, 2022. The final cost for this project was $926,690.
Sinkhole Filling, Maintenance and Emergencies
This project filled dangerous sinkholes caused by underground mine collapse and extinguished coal fires on abandoned mine lands. Sinkhole filling projects like this have been conducted since the 1980s. Work was conducted on AML sites near Beulah, Hanks, Haynes, New Leipzig, New Salem, Parshall, Scranton, Velva, Williston, Wilton, and Zap. The final cost for this project was $93,310.
2021-2022 Sinkhole Filling and Maintenance Project Summary