TY - RPRT TI - Colorado River campsite monitoring, Grand Canyon National Park, Arizona, 1998-2012 AU - Matt Kaplinski AU - Joe Hazel AU - Rod Parnell AU - Daniel R. Hadley AU - Paul Grams PY - 2014 DO - 10.3133/ofr20141161 UR - https://pubs.usgs.gov/publication/ofr20141161 ID - ofr20141161 ER -