Latitude: 47.703000° N,
Longitude: 116.978000° W,
Horizontal Datum:
NAD83
River Stage Reference Frame |
Gauge Height |
Flood Stage |
Uses |
NWS stage |
0 ft |
Not Available |
Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps |
Vertical Datum |
Elevation (gauge height = 0) |
Elevation (gauge height = flood stage) |
Elevation information source |
NAVD88 |
Not Available |
Not Available |
Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps |
NGVD 29 |
Not Available |
Not Available |
Older USGS topographic maps, NGVD29 benchmarks |
MSL |
Not Available |
Not Available |
Older USGS topographic maps, MSL benchmarks |
Other |
2050 |
Not Available |
Official gage height of 2050 ft was set in 1903. It was later found that the gage height in reference to NGVD29 is 2047 ft and in reference to NAVD88 is 2050.885 ft. |
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