TY - RPRT TI - Optical dating of tufa via in situ aeolian sand grains: A case example from the Southern High Plains, USA AU - J. Rich AU - S. Stokes AU - W. Wood AU - R. Bailey PY - 2003 DO - 10.1016/s0277-3791(03)00021-0 UR - https://pubs.usgs.gov/publication/70025714 ID - 70025714 ER -