SA2485 - NGS ECHO Reset, Washington
Posted by: Groundspeak Premium Member Volcanoguy
N 46° 58.387 W 119° 58.221
11T E 274071 N 5206460
National Geodetic Survey horizontal control mark ECHO Reset.
Waymark Code: WM874W
Location: Washington, United States
Date Posted: 02/11/2010
Published By:Groundspeak Premium Member Ernmark
Views: 7

This horizontal control mark is located about 25 miles east of Ellensburg, Washington, at the I-90 westbound Columbia River overlook parking area. The cap is set in bedrock west of the parking area. The cap was reset by the National Geodetic Survey in 1979 and was marked ECHO 1957 1979.
NGS PID SA2485 - (visit link)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1992 STATION IS LOCATED ABOUT 40 KM (24.9 MI) EAST OF ELLENSBURG, 10 KM (6.2 MI) SOUTHWEST OF GEORGE, 5 KM (3.1 MI) NORTHEST OF THE INTERSTATE HIGHWAY 90 BRIDGE OVER THE COLUMBIA RIVER, AT AN OVERLOOK ALONG THE WESTBOUND LANES OF THE INTERSTATE, AT THE SOUTH END OF THE PARKING AREA. OWNERSHIP--STATE DEPARTMENT OF TRANSPORTATION. TO REACH FROM THE OVERPASS AT THE JUNCTION OF INTERSTATE HIGHWAY 90 AND WINERY ROAD (EXIT 143), GO SOUTHWEST ON HIGHWAY 90 FOR 6.43 KM (4.00 MI) TO THE OVERLOOK ENTRANCE ON THE RIGHT AT MILEPOST 140. BEAR RIGHT ON ROAD FOR 0.32 KM (0.20 MI) TO THE FAR END OF THE PARKING AREA AND STATION ON THE RIGHT. NOTE--STATION CAN ALSO BE REACHED FROM EXIT 137 BY GOING EAST ON HIGHWAY 90 TO MILEPOST 140. CONTINUE AHEAD TO A CROSSOVER, THEN RETURN TO THE OVERLOOK. STATION MARK IS SET FLUSH IN A DRILL HOLE IN A ROUGH OUTCROP PROJECTING 5 CM ABOVE GROUND. IT IS 63 M (206.7 FT) SOUTH OF A MEMORIAL PLAQUE, 18.9 M (62.0 FT) SOUTH OF THE CURB CORNER OF THE PARKING AREA, 10.3 M (33.8 FT) SOUTHWEST OF THE SOUTH END OF THE CURB, 10.2 M (33.5 FT) WEST OF THE WEST EDGE OF THE TURN-AROUND PAVEMENT, 8.3 M (27.2 FT) SOUTH-SOUTHWEST OF THE EDGE OF A MACADAM SIDEWALK, AND ON LINE WITH THE NORTH-SOUTH CURB.
Condition: Mark found in good condition

Designation: ECHO Reset

Benchmark Agency: National Geodetic Survey

Monumentation type: HORIZONTAL CONTROL Disk

County: Grant

USGS 7.5' Topographic Quadrangle Name (optional): Vantage

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: SA2485

Benchmark Agency (if other): Not listed

Monumentation type (if other): Not listed

Special category (optional): Not listed

Special Category (if other): 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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Recent Visits/Logs:
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The A-Team visited SA2485 - NGS ECHO Reset, Washington 08/15/2022 The A-Team visited it
yellow1961 visited SA2485 - NGS ECHO Reset, Washington 10/04/2019 yellow1961 visited it
Volcanoguy visited SA2485 - NGS ECHO Reset, Washington 09/23/2009 Volcanoguy visited it

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