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) = -89.4025, 29.2385; 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
The 1:100,000 map (if available); Switch to TerraServer
Zoom on that location with radius = 2 km; 5 km ; 10 km ; 20 km ; 30 km ; custom.

Nearby named places (in order by distance)

1. Chawee, Bayou; Louisiana: Plaquemines Parish -89.4025, 29.2385 at a distance of 6 m
2. Venice Oil Field; Louisiana: Plaquemines Parish -89.4087, 29.2391 at a distance of 602 m
3. Venice Canal; Louisiana: Plaquemines Parish -89.4062, 29.2283 at a distance of 1183 m
4. Dgs Heliport; Louisiana: Plaquemines Parish -89.3851, 29.2419 at a distance of 1737 m
5. West Delta Receiving Station Heliport; Louisiana: Plaquemines Parish -89.3969, 29.2191, ( 2 ft ) at a distance of 2214 m
6. Red Pass mouth; Louisiana: Plaquemines Parish -89.4098, 29.2149 at a distance of 2707 m
7. Tante Phine, Pass head; -89.3754, 29.2483 at a distance of 2855 m
8. Old Spanish Pass; Louisiana: Plaquemines Parish -89.4333, 29.2391 at a distance of 3000 m
9. Spanish Pass; Louisiana: Plaquemines Parish -89.4184, 29.2619 at a distance of 3019 m
10. Porpoise Bayou; Louisiana: Plaquemines Parish -89.4007, 29.2674 at a distance of 3211 m

The 7.5 minute series topographic maps for that area