TY - BOOK ID - 138170222 TI - Chemical composition of sedimentary rocks in Colorado, Kansas, Montana, Nebraska, North Dakota, South Dakota, and Wyoming AU - Hill, Thelma P. AU - Werner, Marian A. AU - Horton, M. Julia AU - Rubey, William W. PY - 1967 PB - Washington (D.C.) US. Government printing office DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:138170222 AB - ER -