Tappan Zee Bridge Project Spurs Map of Hudson River Bottom
The state is mapping the Hudson River’s bottom from Troy to New York City as part of building the new Tappan Zee Bridge — an effort meant to benefit the river’s fish but one that could also help some local boaters.
Determining the depth of the riverbed along with whether sand, silt or rocks covers it will help scientists understand how fish and other creatures use the Hudson’s habitat. The state Department of Environmental Conservation required the mapping as a mitigation measure to protect the river’s endangered shortnose and Atlantic sturgeon during the project.
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