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) = -90.1479, 29.9546; 0 m

The state and county are Louisiana: Jefferson Parish 22051
The HUC is Lower Mississippi-New Orleans 08090100; Place point in HUC
The Omernik ecoregion is Mississippi Alluvial Plain (more typical) 73
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Nearby named places (in order by distance)

1. Carrollton Bend; Louisiana: Jefferson Parish -90.1479, 29.9546 at a distance of 3 m
2. Carrollton Bend; Louisiana: Jefferson Parish -90.1504, 29.9552 at a distance of 248 m
3. Ninemile Point; Louisiana: Jefferson Parish -90.1487, 29.9502 at a distance of 493 m
4. Magnolia Lane Plantation (historical); Louisiana: Jefferson Parish -90.1520, 29.9508 at a distance of 576 m
5. Derbigny Plantation (historical); Louisiana: Jefferson Parish -90.1473, 29.9488 at a distance of 645 m
6. Ochsner Foundation Hospital Heliport; Louisiana: Jefferson Parish -90.1457, 29.9608, ( 5 ft ) at a distance of 721 m
7. Stuart School; Louisiana: Jefferson Parish -90.1409, 29.9580 at a distance of 776 m
8. WWOZ-FM (New Orleans); Louisiana: Jefferson Parish -90.1545, 29.9505 at a distance of 780 m
9. Alton Ochsner Foundation Hospital; Louisiana: Jefferson Parish -90.1457, 29.9616 at a distance of 806 m
10. Deckbar School; Louisiana: Jefferson Parish -90.1504, 29.9627 at a distance of 930 m

The 7.5 minute series topographic maps for that area