TY - BOOK T1 - Soil survey of Clay County, Illinois / DA - [1998] CY - [Washington, D.C.?] : AU - Endres, Tonie J. CN - S599.I3 CN - S599.I5 PB - The Service, PP - [Washington, D.C.?] : PY - [1998] N1 - Cover title. ID - 232505 KW - Soils KW - Soil surveys TI - Soil survey of Clay County, Illinois / ER -