Ray Valley, development manager for BioBase, uses a Lowrance Elite Ti2 fish-finder to collect data. Volunteers in the Hayden Lake mapping project will use fish-finder sonar devices to collect the data needed for a bathymetric map of Hayden Lake. Photo courtesy of Ray Valley
April 8, 2022
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April 9, 2022 1:08 a.m.
Mapping the great unknown
Volunteers needed to create bathymetric map of Hayden Lake
Volunteers needed to create bathymetric map of Hayden Lake