The selected location is:

The elevation is 21 m ( 69 ft )
The gradient is: 0.1 percent
The aspect direction is: 90.0 degrees or E
The local roughness is: 1.3 or average
The location as decimal degrees (X,Y;Z) = -71.3703, 42.6370; 21 m

The state and county are Massachusetts: Middlesex County 25017
The HUC is Merrimack 01070002; Place point in HUC
The Omernik ecoregion is Northeastern Coastal Zone (more typical) 59
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Nearby named places (in order by distance)

1. Riverside Cemetery; Massachusetts: Middlesex Co. -71.3703, 42.6370 at a distance of 1 m
2. Stony Brook mouth; Massachusetts: Middlesex Co. -71.3748, 42.6384 at a distance of 400 m
3. Middlesex County Training School; Massachusetts: Middlesex Co. -71.3664, 42.6312 at a distance of 720 m
4. Deep Brook mouth; Massachusetts: Middlesex Co. -71.3781, 42.6415 at a distance of 811 m
5. Cold Springs Brook mouth; Massachusetts: Middlesex Co. -71.3812, 42.6326 at a distance of 1020 m
6. North Chelmsford; Massachusetts: Middlesex Co. -71.3828, 42.6390, ( 150 ft ) at a distance of 1049 m
7. Cold Springs Brook head; -71.3734, 42.6257 at a distance of 1282 m
8. Newfield Pond; Massachusetts: Middlesex Co. -71.3862, 42.6318, ( 121 ft ) at a distance of 1427 m
9. Newfield Pond Dam; Massachusetts: Middlesex Co. -71.3862, 42.6318 at a distance of 1427 m
10. North School; Massachusetts: Middlesex Co. -71.3881, 42.6393 at a distance of 1482 m

The 7.5 minute series topographic maps for that area