Disk MY0536/D12 - Boston, MA - U.S. Benchmarks on Waymarking.com

In Boston, in the Back Bay section, is a survey disk mounted on a granite step of the entrance to the old Massachusetts Horticultural Hall. This building was once the headquarters to the Massachusetts Horticultural Society, but now is used for offices and is the headquarters for Boston Magazine (entrance is toward the Christian Science Plaza). The disk is about two feet from a glass door, on the right side, and is about four feet from two U.S. Post Office mailboxes. It is about 20 feet northwest of an entrance to the Symphony Station for the "E" Branch of the MBTA Green Line transit.

the disk has the text, "U.S. Coast and Geodetic Survey - Benchmark" along the inside edge of the mark. Under that is "Elev. 13.195 Feet -Above Mean Sea Level -". Inside of that is the usual penalty statement. In the center of the disk are the following: "D12", "MASSG.S." [Massachusetts Geodetic Survey] and "1936."

The disk is in good condition, though it looks like the last digit in the elevation has been altered.

Condition: Mark found in good condition Designation: D12 Benchmark Agency: U.S. Coast & Geodetic Survey and State Survey Monumentation type: BENCH MARK (or B.M.) Disk County: Suffolk USGS 7.5' Topographic Quadrangle Name (optional): South Boston Special category (optional): Not listed Find type: Coordinates and/or to-reach information from the NGS database (or Geocaching's copy of it) were used Web address of this benchmark's datasheet (optional): [Web Link] NGS PID: MY0536 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

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