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600 E. Boulevard Ave., Dept. 408
Bismarck, ND 58505-0480

701.328.2400 - Phone
877.245.6685 - Toll-Free
800.366.6888 - TTY
701.328.2410 - Fax
ndpsc@nd.gov

Know What's Below, Call before you dig.

Jurisdiction: Abandoned Mine Lands

2024 Completed Projects Archive

Completed Projects (2024)

 

2024 Dakota Collieries AML Project

The 2024 Dakota Collieries AML Project involved backsloping and backfilling approximately 915 feet of dangerous highwall using adjacent spoil piles. The site was approximately 4 miles southeast of Zap, North Dakota, in Mercer County. The 11-acre abandoned surface mine was characterized by a steep eroding highwall approximately 50 feet in height. Additional work on adjacent properties included reclaiming subsidence and erosional features from abandoned underground and surface mines. Reclaimed areas were reseeded with locally adapted grass species native to western North Dakota. Work began on July 22 and was completed on October 2, 2024. The final cost for this project was $1,081,973.

Project Summary

 

2024 Exploratory Drilling AML Project

This investigatory project located and characterized underground mine workings at abandoned underground coal mines in New Salem and Scranton, North Dakota.  Surface disturbance was minimal. Work was conducted between May 16 and June 20, 2024. The final cost for this project was $281,313.

Project Summary

 

2024 Lehigh Road Phase IX AML Project

The 2024 Lehigh Road Phase IX AML Project was a remote backfilling project to stabilize abandoned underground coal mine workings along Lehigh Road and other infrastructure located near Dickinson, North Dakota. This project was a continuation of the 2022 and 2023 Exploratory Drilling Projects. This project utilized drill holes from those projects and an additional 22,338 feet of drilling was completed. Abandoned mine workings were filled with 3,401 cubic yards of flowable grout. Work was conducted between July 18 and September 19, 2024. The final cost for this project was $1,234,493.

Project Summary

 

2024 Sinkhole Filling and Maintenance AML Project

This project filled dangerous sinkholes caused by underground mine collapse on abandoned mine lands. Sinkhole filling projects like this have been conducted since the 1980s. Work was conducted on AML sites near Bowman, Scranton, Haynes, Beach, Dickinson, Richardton, Beulah, Washburn, and Mandan between September 16 and November 13, 2024. Maintenance work was conducted at a reclaimed surface mine site northwest of Mandan. The final cost for this project was $226,306.

Project Summary

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