TY  - RPRT
TI  - Topographic Change Detection at Select Archeological Sites in Grand Canyon National Park, Arizona, 2006-2007
AU  - Brian D. Collins
AU  - Diane L. Minasian
AU  - Robert Kayen
PY  - 2009
DO  - 10.3133/sir20095116
UR  - https://pubs.usgs.gov/publication/sir20095116
ID  - sir20095116
ER  -