The selected location is:

The elevation is 0 m ( 0 ft )
The gradient is: 0.0 percent
There is no aspect direction.
The local roughness is: 0.0 or flat
The location as decimal degrees (X,Y;Z) = -89.2201, 29.2158; 0 m

The state and county are Louisiana: Plaquemines Parish 22075
The HUC is Lower Mississippi-New Orleans 08090100; Place point in HUC
The Omernik ecoregion is Mississippi Alluvial Plain (less typical) 73
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Nearby named places (in order by distance)

1. Big Pond; Louisiana: Plaquemines Parish -89.2201, 29.2158 at a distance of 5 m
2. Marion Pass; Louisiana: Plaquemines Parish -89.2120, 29.2183 at a distance of 840 m
3. Goat Bayou; Louisiana: Plaquemines Parish -89.2282, 29.2213 at a distance of 994 m
4. Death Pond; Louisiana: Plaquemines Parish -89.2190, 29.2258 at a distance of 1116 m
5. Club Pond; Louisiana: Plaquemines Parish -89.2315, 29.2124 at a distance of 1166 m
6. Kitchen Pond; Louisiana: Plaquemines Parish -89.2168, 29.2055 at a distance of 1185 m
7. Delta National Wildlife Refuge; Louisiana: Plaquemines Parish -89.2068, 29.2233 at a distance of 1542 m
8. Horse Duck Pond; Louisiana: Plaquemines Parish -89.2337, 29.2246 at a distance of 1641 m
9. Delta Duck Club (historical); Louisiana: Plaquemines Parish -89.2345, 29.2071 at a distance of 1695 m
10. Bennie Pond; Louisiana: Plaquemines Parish -89.2209, 29.1996 at a distance of 1794 m

The 7.5 minute series topographic maps for that area