Flathead Lake Citizen Science protocols and data portals Flathead Lake Secchi Dip in:2022 Secchi dip-in protocolNALMS Student ‘How to take a Secchi Observation’2022 Secchi dip-in data formEnter your data HERE Periphyton study:FLCS Periphyton protocolPeriphyton sampling video tutorial DIY Flathead Lake Mussel Walk:DIY Mussel walk protocolEnter your data HERE Contact us to particpate