J 66 (GE0697) - West Plains, Mo.
Posted by: Groundspeak Premium Member iconions
N 36° 43.681 W 091° 51.068
15S E 602586 N 4065316
This benchmark is on the northeast corner of the former Post Office located at 204 E. Main Street in West Plains, Missouri.
Waymark Code: WMKQ4D
Location: Missouri, United States
Date Posted: 05/14/2014
Published By:Groundspeak Premium Member Ernmark
Views: 1

Five concrete steps lead to this former Post Office. Four Corinthian columns support a pedimented entryway. The entablature reads "United States Post Office". The cornice is dentilated. Entry to the building is via two glass doors. There is a large glass transom.

Fenestration is four windows - two on each side of the entryway - of 2 panes of three-over-four glass. Each window has a concrete lintel with a keystone accent.

There is a cornerstone that reads:

A W Mellon
Secretary of the Treasury

James A Wetmore
Acting Supervising Architect

1931

The benchmark is above the cornerstone.

From geocaching.com's copy of the datasheet:
(visit link)

"GE0697 ***********************************************************************
GE0697 DESIGNATION - J 66
GE0697 PID - GE0697
GE0697 STATE/COUNTY- MO/HOWELL
GE0697 USGS QUAD - WEST PLAINS (1983)
GE0697
GE0697 *CURRENT SURVEY CONTROL
GE0697 ___________________________________________________________________
GE0697* NAD 83(1986)- 36 43 56. (N) 091 51 05. (W) SCALED
GE0697* NAVD 88 - 302.262 (meters) 991.67 (feet) ADJUSTED
GE0697 ___________________________________________________________________
GE0697 GEOID HEIGHT- -28.94 (meters) GEOID99
GE0697 DYNAMIC HT - 302.006 (meters) 990.83 (feet) COMP
GE0697 MODELED GRAV- 979,775.6 (mgal) NAVD 88
GE0697
GE0697 VERT ORDER - FIRST CLASS II
GE0697
GE0697.The horizontal coordinates were scaled from a topographic map and have
GE0697.an estimated accuracy of +/- 6 seconds.
GE0697
GE0697.The orthometric height was determined by differential leveling
GE0697.and adjusted by the National Geodetic Survey in June 1991.
GE0697
GE0697.The geoid height was determined by GEOID99.
GE0697
GE0697.The dynamic height is computed by dividing the NAVD 88
GE0697.geopotential number by the normal gravity value computed on the
GE0697.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
GE0697.degrees latitude (g = 980.6199 gals.).
GE0697
GE0697.The modeled gravity was interpolated from observed gravity values.
GE0697
GE0697; North East Units Estimated Accuracy
GE0697;SPC MO C - 99,930. 557,930. MT (+/- 180 meters Scaled)
GE0697
GE0697 SUPERSEDED SURVEY CONTROL
GE0697
GE0697 NGVD 29 - 302.108 (m) 991.17 (f) ADJ UNCH 1 2
GE0697
GE0697.Superseded values are not recommended for survey control.
GE0697.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
GE0697.See file dsdata.txt to determine how the superseded data were derived.
GE0697
GE0697_MARKER: DB = BENCH MARK DISK
GE0697_SETTING: 36 = BUILDING
GE0697_STAMPING: J 66 1934
GE0697_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL
GE0697_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR
GE0697+SATELLITE: SATELLITE OBSERVATIONS - September 04, 1990
GE0697
GE0697 HISTORY - Date Condition Recov. By
GE0697 HISTORY - 1934 MONUMENTED CGS
GE0697 HISTORY - 19900904 GOOD NGS
GE0697
GE0697 STATION DESCRIPTION
GE0697
GE0697''DESCRIBED BY COAST AND GEODETIC SURVEY 1934
GE0697''AT WEST PLAINS.
GE0697''AT WEST PLAINS, HOWELL COUNTY, AT THE SOUTHEAST CORNER OF THE
GE0697''INTERSECTION OF EAST MAIN STREET AND WALNUT AVENUE, IN THE
GE0697''NORTH FACE OF THE POST OFFICE BUILDING, 2.5 FEET WEST OF THE
GE0697''NORTHEAST CORNER, AND 3.4 FEET ABOVE GROUND. A STANDARD DISK,
GE0697''STAMPED J 66 1934 AND SET VERTICALLY.
GE0697
GE0697 STATION RECOVERY (1990)
GE0697
GE0697''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1990
GE0697''IN WEST PLAINS , AT 204 EAST MAIN STREET, SET VERTICALLY IN THE NORTH
GE0697''FACE OF THE WEST PLAINS PUBLIC LIBRARY AT 204 EAST MAIN STREET, 1.1 M
GE0697''(3.6 FT) ABOVE THE GROUND SURFACE, AND 0.8 M (2.6 FT) WEST OF THE
GE0697''NORTHEAST CORNER OF THE BUILDING."
Condition: Mark found in good condition

Designation: J 66

Benchmark Agency: U.S. Coast & Geodetic Survey

Monumentation type: BENCH MARK (or B.M.) Disk

County: Howell County

USGS 7.5' Topographic Quadrangle Name (optional): Poplar Bluff

Find type: Found by luck/skill/knowledge

Web address of this benchmark's datasheet (optional): [Web Link]

Local database's URL (optional): [Web Link]

Benchmark Agency (if other): Not listed

Monumentation type (if other): Not listed

Special category (optional): Not listed

Special Category (if other): Not listed

NGS PID: 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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