Fall Stream Monitoring September 27th 9:00a.m.-11:00a.m. Twice a year Grass River collects data through stream monitoring. This year, teams will be collecting habitat data and macroinvertebrates (aquatic insects) at several sites along Finch Creek. After collection we will return to the Grass River Center to sort through the samples. Pre-registration for this event is required. Pre-register by RSVP’ing to Emma at emma@grassriver.org.