Hudson River Links:

Interactive Sonar map of Hudson River bottom
Hudson River Animals (interactive animation using actual sonar image of Hudson off Ossining)
Mystery Donuts on Hudson River Bottom
Sonar Mapping of River Bottom near Ossining
Harbor Seal in Ossining

Other useful Hudson River Links:

Hudson River Towns - - Lots of Good Hudson River Links
Hudson River Tide Chart
Hudson River Sloop Clearwater
Riverkeeper
The Hudson River Almanac
Waterkeeper Alliance

Riverlovers - - A Sloop Club of Clearwater, Inc.

Daria Gregg
51 Old Albany Post Rd.
Ossining, NY 10562