Affiliated Researchers’ provided bathymetric mapping for pre- and post-dredging activities at Black River in Lorain, OH. Affiliated Researchers performs its bathymetric services in accordance with USACE hydrographic standards and follows additional QAQC protocols developed from years of experience on State and Federal projects.

Affiliated Researchers utilized its Odom E20 DF Echosounder single-beam echo-sounder system, Trimble RTK-GPS survey equipment, and operated with HYPACK hydrographic software.