Latitude: 48.370556° N,
Longitude: 101.569722° W,
Horizontal Datum:
River Stage Reference Frame |
Gauge Height |
Flood Stage |
Uses |
NWS stage |
0 ft |
1651 ft |
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 |
1651.0 |
Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps |
NGVD 29 |
-1.244 |
1649.756 |
Older USGS topographic maps, NGVD29 benchmarks |
MSL |
Not Available |
Not Available |
Older USGS topographic maps, MSL benchmarks |
Other |
Not Available |
Not Available |
USGS survey data used in vertcon to determine conversion to NGVD29. |
|