TY - RPRT TI - Recognition of fiducial surfaces in lidar surveys of coastal topography AU - J. C. Brock AU - A. H. Sallenger AU - W.B. Krabill AU - R.N. Swift AU - C. W. Wright PY - 2001 UR - https://pubs.usgs.gov/publication/70023556 ID - 70023556 ER -