Tag: Hydrographic survey

Remote Catamaran Retrieves Data and Keeps Surveyors Safe

Conditions are sometimes too dangerous for water resources engineers to get up close and personal to collect hydrographic survey data at bridges. When scouting bridges in 2012, Ayres Associates’ staff decided one bridge – U.S. Highway 8 over the St. Croix River in Polk County, Wisconsin – was impassable by jet boat and not navigable… Read More »