SIM2012-3213 Bathymetric Contours of Breckenridge Reservoir, Quantico, Virginia
Bathymetric data were collected using a boat-mounted Wide Area Augmentation System (WAAS), 
a type of differential global positioning system, echo depth-sounding equipment, and computer 
software. Data were exported into a geographic information system and converted into a point layer. 
These data points were used to …