Latitude: 42.997700° N,
Longitude: 91.657900° W,
Horizontal Datum:
NAD83
River Stage
Reference Frame |
Gauge Height |
Flood Stage |
Uses |
| NWS stage |
844.5 ft |
826 ft |
Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps |
| Vertical Datum |
Elevation
(gauge height = 844.5) |
Elevation
(gauge height = flood stage) |
Elevation information source |
| NAVD88 |
817.31 ft |
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 |
Not Available |
Not Available |
|
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