Details for Benchmark: LY1703
N 41° 30.058 W 075° 41.099 (NAD 83)
Coordinates may not be exact. Altitude is ADJUSTED and location is ADJUSTED. (more info)
- In LACKAWANNA county, PA View Original Datasheet
- Marker Type:
- triangulation station disk
- set into the top of a round concrete monument
- May hold, but of type commonly subject to surface motion.
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||Zhanna found LY1703
N 41° 30.061 W 075° 41.092
I'd been considering searching for these marks for quite some time, and this week I decided to try. I was somewhat daunted by the fact that, at least according to the description, they were located on the property of a local school for “troubled youth.” I didn't relish the thought of trespassing there, so I first checked with and obtained permission from Sister Margaret. (She was gracious and accommodating, though I got the definite impression that you [i]don't[/i] want to mess with her. ) When I arrived at the school after work and began to make my way toward the coordinates, I was in for a surprise. Apparently the land that the marks are on is no longer Lourdesmont property. It's just over the border, behind some new homes. Since I was already within 100 feet, I thought I'd try anyway — and though neighborhood residents were out and about, no one even gave me a second look. The situation didn't appear too favorable at first glance, as the yard behind one of the homes was completely torn up. Fortunately, the station mark was still present just at the edge of the upturned earth, and it was an easy find. The two reference marks required a bit more searching, but they are both still in place as well. The station mark is in good condition with some slight scratches; the date and designation are clear. There were some faint traces of yellow and orange paint on the monument surrounding the mark. I hope the property owners and construction crews respect these marks and that I'm not the last to recover them successfully!
[Photos:]LY1703, Lackawanna County, PA
(See PIDs LY1702 and LY1704 for the reference mark recovery logs.)
“Charity” among the mud and construction debris.
One lucky benchmark.
Documented History (by the NGS)
|01/01/1959 by CGS (MONUMENTED)
|DESCRIBED BY COAST AND GEODETIC SURVEY 1959 (CGS)
THE STATION IS LOCATED ABOUT 1/2 MILE EAST OF CLARKS GREEN, ABOUT 2 MILES SOUTHEAST OF WAVERLY, ABOUT 450 FEET NORTHWEST OF THE LOURDESMONT SCHOOL, IN A NORTH AND SOUTH FENCE LINE, ON THE SOUTH SLOPE OF A LOW HILL AND IS ON THE LOURDESMONT SCHOOL GROUND.
TO REACH THE STATION FROM THE JUNCTION OF U.S. HIGHWAY 11 AND STATE HIGHWAY 407, IN THE SOUTHEAST EDGE OF CLARKS SUMMIT, GO NORTHEAST ON HIGHWAY 407 FOR 0.43 MILE TO AN INTERSECTION, THE ABINGTON ROAD AND STATE HIGHWAY 407. TURN RIGHT AND GO SOUTH ON THE ABINGTON ROAD FOR 0.1 MILE TO THE INTERSECTION COUNTY HIGHWAY 35054 AND VENARD ROAD WITH THE ABINGTON ROAD. TURN LEFT AND GO EAST ON COUNTY HIGHWAY 35054 AND VENARD ROAD FOR 0.56 MILE TO THE ENTRANCE TO THE LOURDESMONT SCHOOL ON THE LEFT. TURN LEFT AND GO NORTH ON THE SCHOOL DRIVEWAY FOR 0.17 MILE TO A FORK. TAKE THE RIGHT FORK AND GO NORTH AND WEST ON THE DRIVEWAY AROUND THE EAST AND NORTH SIDE OF THE SCHOOL BUILDING FOR 0.14 MILE TO A SMALL SQUARE BRICK BUILDING, THE END OF PAVEMENT AND THE END OF TRUCK TRAVEL. FROM THE END OF TRUCK TRAVEL PACK SOUTH-SOUTHWEST FOR ABOUT 300 FEET TO THE FENCE ROW AND STATION AS DESCRIBED. IN DRY WEATHER THE LAST 300 FEET MAY BE DRIVEN.
THE STATION MARK, A STANDARD DISK STAMPED CHARITY 1959, IS SET IN THE TOP OF A SQUARE CONCRETE MONUMENT WHICH IS FLUSH WITH THE SURFACE OF THE GROUND. IT IS 7.1 FEET EAST OF A STANDARD METAL WITNESS POST AND IS SET IN A FENCE ROW.
REFERENCE MARK 1, A STANDARD DISK STAMPED CHARITY NO 1 1959, IS SET IN THE TOP OF A SQUARE CONCRETE MONUMENT WHICH IS FLUSH WITH THE SURFACE OF THE GROUND. IT IS 19 FEET SOUTH OF A STANDARD METAL WITNESS POST, ABOUT 2 FEET LOWER THAN THE STATION AND IS SET IN A FENCE ROW.
REFERENCE MARK 2, A STANDARD DISK STAMPED CHARITY NO 2 1959, IS SET IN THE TOP OF A SQUARE CONCRETE MONUMENT WHICH IS FLUSH WITH THE SURFACE OF THE GROUND. IT IS 28.1 FEET NORTHEAST OF A STANDARD METAL WITNESS POST, 2 FEET HIGHER THAN THE STATION AND IS SET IN A FENCE ROW.
AN AZIMUTH MARK WAS NOT ESTABLISHED FOR THIS STATION. TRIANGULATION STATION ADELLA OR THE WDAU T.V. SOUTH MAST MAY BE USED AS AN AZIMUTH MARK.
HEIGHT OF LIGHT ABOVE STATION MARK 1 METERS.
|01/01/1961 by NGS (GOOD)
|RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1961
IN CLARKS GREEN. ABOUT 0.1 MILE SOUTH ALONG ABINGTON RD. FROM THE JUNCTION OF ABINGTON RD. AND STATE HWY 407 IN CLARKS GREEN TO THE INTERSECTION OF ABINGTON RD. AND VENARD RD. (COUNTY RD. 35054) THENCE EAST ON VENARD RD. FOR 0.56 MILE TO ENTRANCE TO LOURDESMONT SCHOOL THENCE 0.17 MILE NORTH ON ENTRANCE ROAD TO A FORK RIGHT, GO NORTH AND WEST ON ROAD AROUND THE EAST AND NORTH SIDE OF SCHOOL BUILDING FOR 0.14 MILE TO A SMALL BRICK BUILDING (END OF TRUCK TRAVEL) THENCE ABOUT 300 FEET SOUTH-SOUTH WEST TO A FENCE ROW, STANDARD TRIANGULATION STATION DISK SET IN TOP OF CONCRETE POST, ABOUT FLUSH WITH THE GROUND, 7 FEET EAST OF STANDARD METAL WITNESS POST, STAMPED CHARITY 1959. ABOUT 22 1/2 FEET EAST-SOUTH EAST OF RM 2, 22 FEET NORTH WEST OF RM 1.
|01/01/1974 by NGS (SEE DESCRIPTION)
|RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1974 (CLN)
THE STATION AND ALL MARKS WERE RECOVERED AND FOUND IN GOOD CONDITION. THERE WAS A DAMAGE REPORT ON THIS STATION, HOWEVER ALL MARKS WERE RECOVERED AS DESCRIBED IN THE 1959 DESCRIPTION.
AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN 1/2 MILE EAST OF CLARKS GREENE.
|01/01/1974 by NGS (GOOD)
|RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1974
RECOVERED IN GOOD CONDITION.
- The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in September 1999.
- The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991.
- The Laplace correction was computed from DEFLEC99 derived deflections.
- The geoid height was determined by GEOID99.
- The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.).
- The modeled gravity was interpolated from observed gravity values.