SY2420 - King County 'EM 19 K CO 1972' Survey Monument - Tukwila, WA
Posted by: Groundspeak Premium Member NW_history_buff
N 47° 27.830 W 122° 17.370
10T E 553546 N 5256955
A King County NGS survey monument located on an overpass along the Pacific Highway 99.
Waymark Code: WMYV4V
Location: Washington, United States
Date Posted: 07/26/2018
Published By:Groundspeak Premium Member Ernmark
Views: 1

I recovered this King County survey monument from 1972 in good condition. It is a brass disk monumented on the northeast side of a concrete sidewalk of an overpass spanning State Highway 518 and along the Pacific Highway 99. There is a white 'X' spraypainted on the sidewalk directly over the disk. My posted coordinates should place you very close to this monument.

NGS datasheet info:

01/01/1972 by WA-033 (MONUMENTED)
DESCRIBED BY KING COUNTY WASHINGTON 1972 POINT LOCATED ON PACIFIC HWY. S ON EAST SIDEWALK OF A BRIDGE OVER ST. HWY. 518. POINT IS 32.8 FT SW OF A SPIKE UP 3 FT IN A POWER POLE. POINT IS 10.3 FT SW OF THE NORTHERN MOST HAND RAILING ON THE EAST SIDE OF BRIDGE. LAST STEEL RAILING SUPPORT X IN SUPPORT. POINT IS 23.0 FT E OF CENTERLINE. POINT IS 11.0 FT S OF END OF SIDEWALK. POINT 15.2 FT N OF THE FOURTH RAILING SUPPORT X IN SUPPORT. SURFACE MONUMENT--STAND. K.C.S. DISK SET IN CONC. - FLUSH. SUB-SURFACE MONUMENT--NONE DISK STAMPED--EM-19. 1972
Condition: Mark found in good condition

Designation: EM 19 K CO 1972

Benchmark Agency: other (not included below)

Benchmark Agency (if other): King County Survey

Monumentation type: Control Monument, Survey Control, Control Survey

County: King County

USGS 7.5' Topographic Quadrangle Name (optional): Des Moines (1995)

Find type: Found by luck/skill/knowledge

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

NGS PID: SY2420

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

Monumentation type (if other): Not listed

Special category (optional): Not listed

Special Category (if other): 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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