SA2485 - NGS ECHO Reset, Washington - U.S. Benchmarks on Waymarking.com

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

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