TY - RPRT TI - Lanthanide-labeled clay: A new method for tracing sediment transport in Karst AU - B.J. Mahler AU - P.C. Bennett AU - M. Zimmerman PY - 2005 DO - 10.1111/j.1745-6584.1998.tb02202.x UR - https://pubs.usgs.gov/publication/70020163 ID - 70020163 ER -