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Details for Benchmark: QD1676

N 44° 05.765 W 121° 22.177 (NAD 83)

Altitude: 3888

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

Location:
In DESCHUTES county, OR View Original Datasheet
Designation:
TUMALO
Marker Type:
NGS Benchmark
Setting:
setting not listed - see description
Stability:

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Documented History (by the NGS)

01/01/1945 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1945 (CAG) STATION IS LOCATED ABOUT 3.5 MILES NORTHWEST OF BEND ON THE NORTHERN EDGE OF A LOW PROMINENT BUTTE, 50 FEET NORTH OF A GARAGE THAT IS LOCATED NEAR THE CENTER OF THE BUTTE. IT IS STAMPED TUMALO 1945. REFERENCE MARK NO. 1 IS SOUTH OF THE STATION AND ABOUT FOUR FEET LOWER THAN THE STATION. IT IS STAMPED TUMALO NO 1 1945. REFERENCE MARK NO. 2 IS WEST OF THE STATION AND ABOUT FOUR FEET LOWER THAN THE STATION. IT IS STAMPED TUMALO NO 2 1945. THE AZIMUTH MARK IS NORTH-NORTHWEST OF THE STATION, 43 FEET WEST OF THE CENTERLINE OF A DIRT ROAD, 17 PACES NORTHWEST OF A 48-INCH TREE STUMP AND 0.1 MILE NORTH OF THE INTERSECTION OF A TRAIL ROAD WITH THE MAIN TRAVELED ROAD. IT IS STAMPED TUMALO 1945 AND PROJECTS 12 INCHES. TO REACH THE STATION FROM THE PILOT BUTTE INN IN BEND, GO NORTHWEST ON A MACADAM ROAD FOR 4.1 MILES TO THE BRIDGE ACROSS TUMALO CREEK. CONTINUE ON A GRAVEL ROAD FOR 0.35 MILE TO A FORK. THEN NORTH, RIGHT FORK, FOR 0.3 MILE *. THEN RIGHT FORK FOR 0.35 MILE TO A FORK. THEN LEFT FORK FOR 0.6 MILE TO THE TOP OF THE BUTTE AND THE STATION. *TO REACH THE AZIMUTH MARK FROM THIS POINT, GO NORTHERLY ON THE LEFT FORK FOR 0.9 MILE TO AN INTERSECTION WITH A TRAIL ROAD AT A POINT WHERE THE MAIN ROAD CURVES TO THE NORTHEAST. CONTINUE NORTHEAST ON THE MAIN ROAD FOR 0.1 MILE TO THE MARK ON THE LEFT.
01/01/1958 by USGS (GOOD)
RECOVERY NOTE BY US GEOLOGICAL SURVEY 1958 RECOVERED AS DESCRIBED BY NGS. LOT HAS BEEN ERECTED NEAR STATION. REACHED BY HELICOPTER.
01/01/1976 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1976 (CLN) THE STATION MARK, BOTH REFERENCE MARKS, AND THE AZIMUTH MARK WERE RECOVERED IN GOOD CONDITION. A DIFFERENCE WAS FOUND IN THE HORIZONTAL ANGLE TO REFERENCE MARK NO. 1. LANDMARKS HAVE CHANGED. A NEW AND COMPLETE DESCRIPTION FOLLOWS. THE STATION IS ON GOVERNMENT OWNED LAND. TO REACH THE STATION FROM THE BEND POST OFFICE GO EAST ON FRANKLIN AVENUE FOR 1 BLOCK, TURN LEFT, AND GO NORTH ON BOND STREET FOR 0.2 MILE TO GREENWOOD AVENUE, TURN LEFT FOR 1 BLOCK TO WALL STREET, JOG SOUTH, THEN GO WEST ON NEWPORT AVENUE, AND SHEVLIN PARK ROAD FOR 4.1 MILES TO THE ENTRANCE TO SHEVLIN PARK, JUST AFTER CROSSING THE BRIDGE OVER TUMALO CREEK, CONTINUE NORTH ON JOHNSON ROAD FOR 0.55 MILE TO A SIDE ROAD RIGHT. (TO REACH THE AZIMUTH MARK FROM HERE CONTINUE NORTH ON JOHNSON ROAD FOR 0.9 MILE TO THE AZIMUTH MARK ON THE LEFT.) TURN RIGHT, AND GO NORTHEAST ON THE CINDER ROAD FOR 0.15 MILE TO A FORK, JUST AFTER PASSING THRU A GATE, TAKE THE RIGHT FORK, NORTHEAST, FOR 0.7 MILE TO THE LOOKOUT, AND THE STATION AT THE END OF THE ROAD. THE STATION MARK, STAMPED TUMALO 1945, IS A STANDARD DISK CEMENTED IN A DRILL HOLE IN BEDROCK, 350 FEET NORTHEAST OF THE LOOKOUT, AND 5 FEET SOUTH OF A ROCK CAIRN. (NOTE 2) REFERENCE MARK NO. 1, STAMPED TUMALO NO 1 1945, IS A STANDARD DISK CEMENTED IN A DRILL HOLE IN BEDROCK THAT IS 5 FEET LOWER THAN THE STATION. (NOTE 12A) REFERENCE MARK NO. 2, STAMPED TUMALO NO 2 1945, IS A STANDARD DISK CEMENTED IN A DRILL HOLE IN BEDROCK THAT IS 5 FEET LOWER THAN THE STATION. (NOTE 12A) THE AZIMUTH MARK, STAMPED TUMALO 1945, IS A STANDARD DISK CEMENTED IN A DRILL HOLE IN BEDROCK THAT PROJECTS 3-INCHES, 0.1 MILE NORTHEAST OF THE JUNCTION OF JOHNSON ROAD, AND SADDLEBACK DRIVE, 44 FEET WEST, AND 4 FEET HIGHER THAN JOHNSON ROAD, 3 FEET SOUTHWEST OF A METAL WITNESS POST, AND RIGHT BESIDE A BIG ANT HILL. (NOTE 17A) AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN 4 MILES WEST-NORTHWEST OF BEND.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in October 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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