TY - RPRT TI - Fractal topography and subsurface water flows from fluvial bedforms to the continental shield AU - A. Worman AU - A.I. Packman AU - L. Marklund AU - J. W. Harvey AU - S.H. Stone PY - 2007 DO - 10.1029/2007gl029426 UR - https://pubs.usgs.gov/publication/70029884 ID - 70029884 ER -