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Details for Benchmark: TQ0444

N 48° 15.036 W 120° 00.132 (NAD 83)

Altitude: 5031

Coordinates may not be exact. Altitude is VERTCON and location is ADJUSTED. (more info)

Location:
In OKANOGAN county, WA View Original Datasheet
Designation:
LEECHER 1925
Marker Type:
triangulation station disk
Setting:
in rock outcrop
Stability:
Most reliable and expected to hold position/elevation well.

Must Read!

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with Craig W. Lookout trip

[Photos:]
photoLEECHER 2
photoLEECHER 2 NO 2 RM

We parked at the gate and walked to the lookout. Found the 1950 benchmark and both of the reference marks as described.

Marvin Gardens

[Photos:]
photoLeecher 1950 Benchmark
photoLeecher2 No1 Reference Mark
photoLeecher2 No2 Reference Mark

The road is gated about 1-1.5 miles from the lookout. There are no signs to tell you if you are in the right place, bring a good map!

[Photos:]
photoMt. Leecher benchmark

Documented History (by the NGS)

01/01/1925 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1925 (WHB) ABOUT 20 MILES, AIRLINE, SOUTHWEST OF OKANOGAN, ON THE HIGHEST POINT OF LEECHER MT., 78.5 FEET EAST OF U.S. FOREST SERVICE STEEL LOOKOUT TOWER. TO REACH FROM BREWSTER, GO ON THE OLD BREWSTER-TWISP STAGE ROAD AND AFTER PASSING THE CHELAN NATIONAL FOREST BOUNDARY, TAKE AND FOLLOW THE FIRST ROAD LEADING TO THE LEFT FOR ABOUT 4 MILES TO A SHEEP CORRAL, WHICH IS AS FAR AS THE TRUCK CAN BE DRIVEN. GO THROUGH THE CORRAL AND OUT THE GATE ON THE FAR SIDE, AND FOLLOW THE WELL-WORN TRAIL TO THE TOP OF LEECHER MT. SURFACE MARK IS A STANDARD BRONZE DISK IN OUTCROPPING BEDROCK. THIS IS A SUPPLEMENTAL STATION. HEIGHT OF SIGNAL ABOVE STATION MARK - 1-1/2 METERS.
01/01/1950 by CGS (SEE DESCRIPTION)
RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1950 (WRH) THE LOCALITY OF THE STATION WAS FOUND AND WHAT APPEARED TO BE THE OLD DRILL HOLE WAS LOCATED BUT THE STATION DISK WAS MISSING. A NEW STATION DISK STAMPED LEECHER 2 1950 WAS SET IN WHAT WAS ASSUMED TO BE THE OLD DRILL HOLE. THE GEOGRAPHIC POSITION OF THIS POINT HAVING CHECKED WITH THE OLD STATION. THERE HAVING BEEN NO REFERENCE MARKS ESTABLISHED TWO NEW REFERENCE MARKS WERE SET IN 1950. THE STATION IS LOCATED ABOUT 20 MILES AIRLINE, SOUTHWEST OF OKANOGAN, ABOUT 18 MILES AIRLINE NORTHWEST OF BREWSTER, AND ABOUT 5 MILES AIRLINE, EAST OF CARLTON, ON THE HIGHEST POINT OF WHAT IS KNOWN AS LEECHER MT. TO REACH THE STATION FROM THE STOP LIGHT IN BREWSTER GO WEST FOR 0.45 MILE TO CROSS ROADS. TURN RIGHT AND GO NORTH FOR 0.2 MILE TO U.S. HIGHWAY 97. KEEP STRAIGHT AHEAD ACROSS HIGHWAY AND RAILROAD TRACKS FOR 0.2 MILE TO FORKS. KEEP LEFT FORK AND FOLLOW THE MAIN TRAVELED ROAD UP CANYON FOR 5.6 MILES TO A FORK. TAKE RIGHT FORK AND GO NORTHWEST FOR 0.9 MILE TO A FORK. KEEP LEFT FORK AND GO NORTH-NORTHWEST FOR 0.4 MILE TO A FORK. TAKE RIGHT FORK AND GO NORTHWEST FOR 1.0 TO A FORK. KEEP LEFT FORK AND GO NORTHWEST FOR 1.2 MILE TO A FORK JUST AFTER PASSING AN OLD SAWMILL AND SIGN KNOWLTON L.O. 3. KEEP RIGHT FORK FOR 0.1 TO A FORK. KEEP RIGHT FORK AND FOLLOW THE MAIN TRAVELED ROAD FOR 1.3 MILES TO A FORK. TAKE LEFT FORK AND GO 1.5 MILES TO CROSSROADS. KEEP STRAIGHT AHEAD FOLLOWING TELEPHONE LINE FOR 0.1 TO A VERY DIM FORK. KEEP RIGHT FORK FOR 1.0 MILE TO A SIDE ROAD, RIGHT, NEAR OLD SHACK AND SIGN METHOW 10. KEEP STRAIGHT AHEAD AND GO 0.6 MILE TO A SIDE ROAD LEFT AND SIGN LEECHER L.O.-RUSSIAN SPRINGS. TURN LEFT AND GO SOUTHWEST FOR 0.7 MILE TO A FORKS AND SIGN LEECHER MT L.O. 4. KEEP RIGHT AND GO NORTH AND WEST FOR 0.5 MILE TO A FORK. KEEP RIGHT AND FOLLOW MAIN TRAVELED ROAD FOR 3.0 MILES TO THE LOOKOUT AND STATION ON THE NORTH SIDE OF THE LOOKOUT HOUSE AND 78.5 FEET EAST OF THE STEEL LOOKOUT TOWER. THE STATION IS 14 FEET NORTHEAST OF THE NORTHEAST SIDE OF THE LEECHER MTN. LOOKOUT HOUSE, 79 FEET SOUTHEAST OF THE LEECHER MTN. LOOKOUT TOWER. IT IS A STANDARD DISK SET IN A DRILL HOLE IN OUTCROPPING BEDROCK THAT PROJECTS 1-1/2 FEET. THE DISK IS STAMPED LEECHER 2 1950. REFERENCE MARK NO. 1 IS ABOUT 6 FEET LOWER THAN THE STATION, AND 30 FEET EAST OF THE LATRINE. IT IS A STANDARD DISK SET IN A DRILL HOLE IN OUTCROPPING BEDROCK THAT PROJECTS ABOUT 2 FEET. THE DISK IS STAMPED LEECHER 2 NO 1 1950. NOTE 12A REFERENCE MARK NO. 2 IS 24 FEET NORTH OF THE NORTH CORNER OF THE LOOKOUT HOUSE, AND ABOUT 2-1/2 FEET HIGHER THAN THE STATION. IT IS A STANDARD DISK SET IN A DRILL HOLE IN OUTCROPPING BEDROCK THAT PROJECTS 2-1/2 FEET. THE DISK IS STAMPED LEECHER 2 NO 2 1950. NO SUITABLE LOCATION FOR AN AZIMUTH MARK COULD BE FOUND. STATION OLD GOAT MTN WILL SERVE AS THE AZIMUTH MARK. THE LEECHER LOOKOUT HOUSE IS A STANDARD WOODEN BUILDING, 14 FEET SQUARE AND SITS ON THE GROUND. THE CENTER OF THE BASE OF THE BUILDING WILL SERVE AS THE SUBSTITUTE STATION AND IS 0.23 METER LOWER THAN THE STATION. THE LEECHER LOOKOUT TOWER IS A STEEL TOWER 50 FEET HIGH AND 20 FEET SQUARE AT THE BASE. THE CENTER OF THE BASE IS ABOUT THE SAME ELEVATION AS THE STATION. HEIGHT OF LIGHT ABOVE STATION MARK 4.15 METERS.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in December 1991.
  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The geoid height was determined by GEOID99.

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