Gauging Station Reference Mark, Nashoba Brook - Acton, MA
Posted by: Groundspeak Premium Member NorStar
N 42° 30.735 W 071° 24.285
19T E 302444 N 4709455
Quick Description: This disk, found along a path in the Nashoba Brook Conservation Area, is located on a concrete block in Nashoba Brook that a stream vertical staff is also attached to.
Location: Massachusetts, United States
Date Posted: 11/16/2011 5:31:12 PM
Waymark Code: WMD4AY
Published By: Groundspeak Premium Member Ernmark
Views: 2

Long Description:
In Acton, within the Nashoba Brook Conservation Area, is a vertical staff within the Nashoba Brook, attached to a concrete block that has a survey disk on the top.

The disk has the following embossed on it: just inside the edge is "U.S. Geological Survey - Reference Mark." Inside of this is the usual penalty statement. Inside of that is "Gauging Station" surrounding a circle. There is also a circular hole off to one side of the circle.

The disk is in good condition. There are slight creases here and there, and the disk surface has a red-orange hue to it from a coating of paint that has worn off in places.

The location is within the Nashoba Brook Conservation Area, and is on the west side of the Travel Through Time Trail loop. It is about a quarter mile south of the Wheeler Lane parking lot and from that direction, the disk will be on the left, before you reach a series of boardwalks. This mark may be at the same location as "Gauging Station" designated on the USGS quad.

Source: (Nashoba Brook Conservation Area):
(visit link)
Condition: Mark found in good condition

Designation: -blank-

Benchmark Agency: U.S. Geological Survey

Monumentation type: REFERENCE MARK Disk

County: Middlesex County

USGS 7.5' Topographic Quadrangle Name (optional): Maynard

Special category (optional): Not listed

Find type: Found by luck/skill/knowledge

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

Local database's URL (optional): Not listed

Visit Instructions:
  1. A closeup photo of the mark taken by you is required.
  2. 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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