TY - MAP ID - 147825709 TI - Geological and Geographical Atlas of Colorado and portions of adjacent territory AU - Hayden, F. V. AU - Bien, Julius AU - Geological Survey (U.S.) PY - 1877 PB - Washington Government Printing Office DB - UniCat KW - Geology KW - Colorado UR - https://www.unicat.be/uniCat?func=search&query=sysid:147825709 AB - ER -