The selected location is:

The elevation is 56 m ( 184 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) = -90.0768, 35.1284; 56 m

The state and county are Arkansas: Crittenden County 5035
The HUC is Lower Mississippi-Memphis 08010100; 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. Memphis Arkansas Bridge; Arkansas: Crittenden Co. -90.0768, 35.1284 at a distance of 1 m
2. Memphis-Arkansas Bridge; Tennessee: Shelby Co. -90.0765, 35.1284 at a distance of 28 m
3. Frisco Bridge; Arkansas: Crittenden Co. -90.0765, 35.1287 at a distance of 43 m
4. Harahan Bridge; Arkansas: Crittenden Co. -90.0759, 35.1290 at a distance of 106 m
5. Frisco Bridge; Tennessee: Shelby Co. -90.0759, 35.1290 at a distance of 106 m
6. Harahan Bridge; Tennessee: Shelby Co. -90.0754, 35.1293 at a distance of 162 m
7. Crump Park; Tennessee: Shelby Co. -90.0748, 35.1248 at a distance of 440 m
8. Church on the River; Tennessee: Shelby Co. -90.0720, 35.1273 at a distance of 455 m
9. United States Marine Hospital; Tennessee: Shelby Co. -90.0743, 35.1234 at a distance of 601 m
10. National Ornamental Metal Museum; Tennessee: Shelby Co. -90.0743, 35.1232 at a distance of 621 m

The 7.5 minute series topographic maps for that area