@misc{indiciae5f63324972cc, title = {Geologic maps and cross sections of mine levels at the Pea Ridge iron mine, Washington County, Missouri}, author = {C.M. Seeger and L. M. Nuelle and G.B. Sidder and M.A. Marikos and D. C. Smith}, year = {2001}, doi = {10.3133/mf2353}, url = {https://pubs.usgs.gov/publication/mf2353}, note = {Source identifier: mf2353} }