Jurisdiction: Abandoned Mine Lands
2018 Completed Projects Archive
2018 Wilton Phase 4, Shell Lake and Williams County Road 9 Phase 7 AML Project
This multi-site AML drilling and grouting project involved drilling, casing, and pumping pressurized grout into collapsed underground mine workings along Highway 36 near Wilton, near an occupied farmstead about 14 miles north of Parshall and at businesses in an industrial subdivision at Williston. The contractors for this project were B & C Concrete Pumping, Inc. of Williston and GEOSERV Inc. of Bismarck. Combined contract costs were $1,577,793.34.
2018 Wilton, Shell Lake, Williams County Project Summary
2018 Morton County AML Project
This 36-acre project eliminated about 2,500 feet of dangerous final pit highwalls at two abandoned surface coal mines northwest of New Salem in Morton County. Work on this project began June 11 and finished September 18, 2018. Approximately 115,000 cubic yards of spoil material was used to backfill the highwalls at these two sites. The contractor for this project was Wilson Construction, Inc. of Scranton. The contract cost was $252,400.
2018 Morton County Project Summary
2017-2018 Sinkhole Filling AML Project
This two-year project was conducted to fill dangerous sinkholes caused by underground coal mine collapse. Approximately 163 sinkholes were filled in 2017 and 177 in 2018. The contractor was Pleasant and Sons Construction of Greenville, KY. The contract cost was $209,714.
2017-2021 Sinkhole Filling Projects Environmental Assessment
Attachment 1, Sinkhole Location Maps 2005-2015