TY - RPRT TI - Evaluation of Terrestrial LIDAR for Monitoring Geomorphic Change at Archeological Sites in Grand Canyon National Park, Arizona AU - Brian D. Collins AU - Kristin M. Brown AU - Helen C. Fairley PY - 2008 DO - 10.3133/ofr20081384 UR - https://pubs.usgs.gov/publication/ofr20081384 ID - ofr20081384 ER -