TY - RPRT TI - An approach to regional wetland digital elevation model development using a differential global positioning system and a custom-built helicopter-based surveying system AU - J. W. Jones AU - G.B. Desmond AU - C. Henkle AU - R. Glover PY - 2011 DO - 10.1080/01431161.2010.533212 UR - https://pubs.usgs.gov/publication/70035492 ID - 70035492 ER -