Hydrographic Surveys of the Missouri River at Upper Hamburg chute, 2011-13
An Innerspace 456 single-beam echosounder in conjunction with a Trimble® differential 
Global Positioning System (DGPS), HYPACK® navigation software, and Ashtech Z-Xtreme 
and Trimble® R8 Global Navigation Satellite System (GNSS) receivers was used to 
survey 7 chutes and 3 backwaters on the Missouri River yearly from …