TY - BOOK ID - 135457684 TI - Strategic and critical minerals in the midcontinent region, United States AU - Day, Warren C. AU - Lane, Diane E. AU - Nuelle, Laurence M. AU - Desborough, George A. PY - 1992 PB - Washington (D.C.): US. Government printing office DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:135457684 AB - ER -