TY - RPRT TI - Geologic evidence for age of deposits at Hueyatlaco archeological site, Vasequillo, Mexico AU - V. Steen-McIntyre AU - R. Fryxell AU - H.E. Malde PY - 2017 DO - 10.1016/0033-5894(81)90124-1 UR - https://pubs.usgs.gov/publication/70012044 ID - 70012044 ER -