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![](https://webarchive.library.unt.edu/eot2008/20090512145138im_/http://www.crh.noaa.gov/images/ahps2/spacer.gif) |
Latitude: 40.723333° N,
Longitude: 85.957500° W,
Horizontal Datum:
NAD83
River Stage Reference Frame |
Gauge Height |
Flood Stage |
Uses |
NWS stage |
0 ft |
11 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 |
N/A |
N/A |
Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps |
NGVD 29 |
N/A |
N/A |
Older USGS topographic maps, NGVD29 benchmarks |
MSL |
N/A |
N/A |
Older USGS topographic maps, MSL benchmarks |
Other |
660 ft |
671 ft |
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