The selected location is:

The elevation is 3 m ( 9 ft )
The gradient is: 1.4 percent
The aspect direction is: 268.6 degrees or W
The local roughness is: 0.6 or slight
The location as decimal degrees (X,Y;Z) = -90.2015, 29.9149; 3 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. Avondale Plantation (historical); Louisiana: Jefferson Parish -90.2015, 29.9149 at a distance of 2 m
2. Avondale; Louisiana: Jefferson Parish -90.2037, 29.9130, ( 3 ft ) at a distance of 297 m
3. Avondale Square Shopping Center; Louisiana: Jefferson Parish -90.2015, 29.9116 at a distance of 365 m
4. Ward Five; Louisiana: Jefferson Parish -90.1965, 29.9174 at a distance of 559 m
5. Ward Five; Louisiana: Jefferson Parish -90.1965, 29.9174 at a distance of 559 m
6. George Edmond Activity Center; Louisiana: Jefferson Parish -90.2084, 29.9163 at a distance of 682 m
7. Second Saint John the Baptist Church; Louisiana: Jefferson Parish -90.2090, 29.9169 at a distance of 756 m
8. Holy Angels Catholic Church; Louisiana: Jefferson Parish -90.2076, 29.9194 at a distance of 770 m
9. Waggaman Cemetery; Louisiana: Jefferson Parish -90.2079, 29.9191 at a distance of 772 m
10. Avondale Oil Field; Louisiana: Jefferson Parish -90.1982, 29.9083 at a distance of 798 m

The 7.5 minute series topographic maps for that area