The selected location is:

The elevation is 13 m ( 42 ft )
The gradient is: 0.8 percent
The aspect direction is: 208.0 degrees or SW
The local roughness is: 0.9 or slight
The location as decimal degrees (X,Y;Z) = -74.6643, 40.1812; 13 m

The state and county are New Jersey: Mercer County 34021
The HUC is Crosswicks-Neshaminy 02040201; Place point in HUC
The Omernik ecoregion is Northern Piedmont (less typical) 64
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Nearby named places (in order by distance)

1. Yardville; New Jersey: Mercer Co. -74.6643, 40.1812, ( 60 ft ) at a distance of 1 m
2. Saint Vincent DePaul Church; New Jersey: Mercer Co. -74.6602, 40.1762, ( 55 ft ) at a distance of 654 m
3. Groveville; New Jersey: Mercer Co. -74.6715, 40.1698, ( 60 ft ) at a distance of 1405 m
4. Doctors Creek mouth; New Jersey: Mercer Co. -74.6796, 40.1759 at a distance of 1430 m
5. Edges Brook mouth; New Jersey: Mercer Co. -74.6552, 40.1937 at a distance of 1591 m
6. Yardville Heights; New Jersey: Mercer Co. -74.6857, 40.1834, ( 60 ft ) at a distance of 1839 m
7. Yardville Heights School; New Jersey: Mercer Co. -74.6849, 40.1868 at a distance of 1862 m
8. Edgebrook; New Jersey: Mercer Co. -74.6457, 40.1929, ( 70 ft ) at a distance of 2049 m
9. Gropp Lake Dam; New Jersey: Mercer Co. -74.6902, 40.1868 at a distance of 2292 m
10. Gropp Lake; New Jersey: Mercer Co. -74.6902, 40.1868 at a distance of 2292 m

The 7.5 minute series topographic maps for that area