TY - RPRT TI - Fission-track ages of air-fall tuffs in Miocene sedimentary rocks of the Espanola Basin, Santa Fe County, New Mexico AU - Glen Arthur Izett AU - Charles W. Naeser PY - 1981 DO - 10.3133/ofr81161 UR - https://pubs.usgs.gov/publication/ofr81161 ID - ofr81161 ER -