@article{294556, recid = {294556}, author = {Elmer, Steven L.}, title = {Soil survey of Mercer County, Illinois /}, publisher = {Natural Resources Conservation Service,}, address = {[Washington, D.C.?] :}, pages = {1 case (1 v. (343 p.), 28 folded p. of plates) :}, year = {2004}, note = {"By Steven L. Elmer"--P. 15.}, url = {http://library.usi.edu/record/294556}, }