Latitude: 47.666111° N,
Longitude: 116.770556° W,
Horizontal Datum:
NAD83
River Stage
Reference Frame |
Gauge Height |
Flood Stage |
Uses |
| NWS stage |
2100 ft |
2133 ft |
Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps |
| Vertical Datum |
Elevation
(gauge height = 2100) |
Elevation
(gauge height = flood stage) |
Elevation information source |
| NAVD88 |
2100.74 ft |
21.33.74 ft |
Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps |
| NGVD 29 |
2100 ft |
2133 ft |
Older USGS topographic maps, NGVD29 benchmarks |
| MSL |
Not Available |
Not Available |
Older USGS topographic maps, MSL benchmarks |
| Other |
2100 ft |
2133 ft |
Official gage height of 2100 ft was set in 1903. It was later found that the height of the gage in reference to NGVD29 is 2097 ft. |
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