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Streamflow Measurements for the Nation

! Streamflow measurement pages will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline and new pages.

454633109481901 01S16E06CBB 01 ST203 079



Sweet Grass County, Montana
Hydrologic Unit Code 10070002
Latitude  45°46'33", Longitude 109°48'19" NAD27
Gage datum 3,960 feet above NGVD29
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Graph of streamflow measurement data at USGS 454633109481901 01S16E06CBB 01          ST203                079
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