US C&GS Disk M 128 AU - Needham, MA
Posted by: 
NorStar
N 42° 18.330 W 071° 13.579
19T E 316501 N 4686096
This disk sits at the end of a railroad trestle bridge with another survey disk.
Waymark Code: WM610F
Location: Massachusetts, United States
Date Posted: 03/14/2009
Views: 3
At the southwest end of a railroad bridge, in the concrete footing, sits a U.S. Coast and Geodetic Survey Disk.
To get to the disk, it is best to travel from the intersection of Highland Avenue and Gould Street, travel north on Gould Street to a railroad crossing. Travel along the railroad bed approximately 0.25 mile to a railroad bridge over Mass. State Route 128/I-95. The mark is on the left in front of the bridge. The mark is the higher of two survey marks at this location, and is set approximately 1 foot above the level of the tracks. It is about 2 feet from the end of the bridge.
The disk face has the following inscriptions:
Near the Edge: "U.S. Coast & Geodetic Survey"
Next Level: "And State Survey"
Inside: "Station No. M 128 AU"
Inside: "Elev 121.966"
The mark is in good shape, though the characters hand imprinted are hard to read.
Warning: The rails appear to be unused for at least a few months. However, I do not know that they are abandoned. Therefore, be cautious when visiting this mark. It may be possible to also approach from the CareerBuilder.com parking lot, though you may have to scale a fence.
These marks are threatened. There is a highway project to widen Route 128 and redesign the interchange with Highland Avenue. This project possibly would affect this bridge. Construction could begin anytime but will probably start in a year or two.
Condition: Mark found in good condition
Designation: M 128AU
Benchmark Agency: U.S. Coast & Geodetic Survey and State Survey
Monumentation type: BENCH MARK (or B.M.) Disk
County: Norfolk County
USGS 7.5' Topographic Quadrangle Name (optional): Newton
Special category (optional): Not listed
Find type: Found by luck/skill/knowledge
Local database's URL (optional): [Web Link]
Benchmark Agency (if other): Not listed
Monumentation type (if other): Not listed
Special Category (if other): Not listed
Web address of this benchmark's datasheet (optional): Not listed
NGS PID: Not listed
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Visit Instructions:
- A closeup photo of the mark taken by you is required.
- A 'distant' photo including the mark in the view is highly recommended. Include the compass direction you faced when you took the picture.
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