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Evaluation of mine water effluent from Iowa coal project demonstration mine No. 1 and environmental ramifications

Technical Report ·
DOI:https://doi.org/10.2172/7225646· OSTI ID:7225646
The Iowa Coal Project research mine is located in the small watershed of Coal Creek, a tributary of the Des Moines River on a 40 acre site and will produce 135,000 tons of coal over a two year period, ending July 1, 1977. The Iowa Coal Project Demonstration Mine No. 1 contains two coal seams beneath the 40 acre site. The upper seam of usable coal is approximately five feet thick and covers an area of about five acres. The lower seam is about three feet thick and covers approximately 20 acres. The site was leased for five years by the coal project, and is considered to be an excellent area for demonstration because it is located between two strip mines operated under different conditions. In order to monitor water quality of the site, surface and subsurface sampling stations were established. Overburden characteristics were determined by analyses of rock cores obtained from eight holes. The final configuration of the land surface is shown and an idealized cross section is developed.
Research Organization:
Iowa State Univ. of Science and Technology, Ames (USA). Energy and Mineral Resources Research Inst.
DOE Contract Number:
W-31109-ENG-38
OSTI ID:
7225646
Report Number(s):
IS-ICP-36
Country of Publication:
United States
Language:
English