« All Events This event has passed. Great Saw Mill River Cleanup April 23 @ 10:00 am - 1:00 pm « Groundwork Hudson Valley 2021 Annual Gala Science Barge Opening Celebration » CLICK HERE TO SIGN UP FOR THE GREAT SAW MILL RIVER CLEANUP + Add to Google Calendar Details Date: April 23 Time: 10:00 am - 1:00 pm Organizer Groundwork Hudson Valley Phone: 914-375-2151
