The selected location is:

The elevation is 30 m ( 98 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) = -74.6746, 40.2101; 30 m

The state and county are New Jersey: Mercer County 34021
The HUC is Middle Delaware-Musconetcong 02040105; 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. Hamilton Park; New Jersey: Mercer Co. -74.6746, 40.2101 at a distance of 1 m
2. Hamilton, Township of; New Jersey: Mercer Co. -74.6746, 40.2084 at a distance of 187 m
3. Golden Crest; New Jersey: Mercer Co. -74.6643, 40.2084, ( 90 ft ) at a distance of 896 m
4. Briar Manor; New Jersey: Mercer Co. -74.6585, 40.2118, ( 90 ft ) at a distance of 1384 m
5. Branch of Pond Run head; -74.6674, 40.2259 at a distance of 1859 m
6. Haines Corner; New Jersey: Mercer Co. -74.6507, 40.2059, ( 100 ft ) at a distance of 2087 m
7. Lakeside Park; New Jersey: Mercer Co. -74.6871, 40.1929, ( 80 ft ) at a distance of 2186 m
8. Pond Run head; -74.6477, 40.2176 at a distance of 2437 m
9. Edges Brook mouth; New Jersey: Mercer Co. -74.6552, 40.1937 at a distance of 2457 m
10. Trenton Gardens; New Jersey: Mercer Co. -74.6993, 40.1973, ( 60 ft ) at a distance of 2538 m

The 7.5 minute series topographic maps for that area