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) = -75.5741, 39.4387; 0 m

The state and county are Delaware: New Castle County 10003
The HUC is Broadkill-Smyrna 02040207; Place point in HUC
The Omernik ecoregion is Middle Atlantic Coastal Plain (less typical) 63
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Nearby named places (in order by distance)

1. Blackbird Creek mouth; Delaware: New Castle Co. -75.5741, 39.4387 at a distance of 4 m
2. Big Ditch, The mouth; Delaware: New Castle Co. -75.5816, 39.4382 at a distance of 644 m
3. Gravel Gut; Delaware: New Castle Co. -75.5758, 39.4320 at a distance of 756 m
4. Big Ditch, The; Delaware: New Castle Co. -75.5849, 39.4379 at a distance of 938 m
5. Appoquinimink Wildlife Area; Delaware: New Castle Co. -75.5802, 39.4459 at a distance of 960 m
6. Robs Island; Delaware: New Castle Co. -75.5686, 39.4301 at a distance of 1067 m
7. Appoquinimink River mouth; Delaware: New Castle Co. -75.5802, 39.4479 at a distance of 1151 m
8. Angle Rod Creek mouth; Delaware: New Castle Co. -75.5613, 39.4337 at a distance of 1229 m
9. Mill Creek mouth; Delaware: New Castle Co. -75.5840, 39.4307 at a distance of 1233 m
10. Skunk Hill Ditch; Delaware: New Castle Co. -75.5844, 39.4509 at a distance of 1618 m

The 7.5 minute series topographic maps for that area