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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.

USGS 421555108500201 27-101-35dca01
Fremont County, Wyoming
Hydrologic Unit Code 14040200
Latitude  42°15'54", Longitude 108°50'03" NAD27
Land-surface elevation 7,660 feet above NGVD29
Spring discharges from the Colorado Plateaus aquifers (N300COPLTS) national aquifer.
Spring discharges from the Laney Shale Member of Green River Formation (124LNEY) local aquifer.
Output formats
HTML table with channel data
HTML table without channel data
Tab-separated data with channel data
Tab-separated data without channel data
Graph of data
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Meas.
Number		   Date       Time Time
Datum		 Measurement
Used?		   Who Measuring
Agency		 Stream
flow
(ft3/s)		 Gage
Height
(ft)		 GH
Change
(ft)		 Meas.
Duration
(hr)		 Meas.
Rated		   Control Flow
Adjust.
Code 
21990-06-19 -- ----YesGWSIUSGS0.009 Unspecified NONE
11976-11-17 -- ----YesGWSIUSGS0.03 Unspecified NONE