TY - RPRT TI - Geophysical Characterization of the Quaternary-Cretaceous Contact Using Surface Resistivity Methods in Franklin and Webster Counties, South-Central Nebraska AU - Andrew Teeple AU - Wade H. Kress AU - James C. Cannia AU - Lyndsay B. Ball PY - 2009 DO - 10.3133/sir20095092 UR - https://pubs.usgs.gov/publication/sir20095092 ID - sir20095092 ER -