MDP CORNER (JU3824) - Chester County, PA
Posted by: Groundspeak Premium Member Ernmark
N 39° 43.347 W 075° 47.315
18S E 432414 N 4397249
Trianguation Station located a few yards north of the Delaware/Maryland/Pennsylvania corner.
Waymark Code: WM721Z
Location: Pennsylvania, United States
Date Posted: 08/21/2009
Published By:Groundspeak Regular Member seventhings
Views: 13

This benchmark is located at the NE edge of a path leading down to the state corners.

Recovery information is as follows:

1/1/1935 by CGS (MONUMENTED)

DESCRIBED BY COAST AND GEODETIC SURVEY 1935 (JB) STATION IS LOCATED 10 MILES SE OF JENNERSVILLE, PA., BY ROAD AT THE JUNCTION OF THE MARYLAND-DELAWARE STATE LINE WITH THE PENNSYLVANIA OR MASON-DIXON LINE. IT IS ABOUT 0.15 MILE E OF THE POINT WHERE PA. STATE ROUTE 796 CROSSES THE MARYLAND-PENNSYLVANIA STATE LINE, ON PROPERTY BELONGING TO LEON GARRETT AND TENANTED BY GEORGE HENDRICKSON. IT IS 75 FEET SW OF THE SW CORNER OF HENDRICKSONS HOUSE, 35 FEET SE OF THE SE CORNER OF GARDEN PLOT AND 80 FEET N OF CREEK BOTTOM. SURFACE, UNDERGROUND, REFERENCE MARK NO.1 AND AZIMUTH MARKS ARE STANDARD BRONZE DISKS SET IN CONCRETE AS DESCRIBED. REFERENCE MARK NO.1 IS 46.481 METERS (152.50 FEET) N OF THE STATION AND 0.5 FOOT S OF FENCE LINE. REFERENCE MARK NO.2 IS 28.159 METERS (92.39 FEET) S OF THE STATION IN A 15-INCH SQUARE STONE POST PROJECTING 1-1/2 FEET ABOVE THE SURFACE AND ABOUT 6 FEET S OF THE CENTER OF THE CREEK BED. THIS POST MARKS THE STATE BOUNDARIES. THE AZIMUTH MARK IS LOCATED ABOUT 0.15 MILE W OF THE STATION, 6 PACES E OF THE CENTER LINE OF ROUTE 796, 23 PACES N OF THE STATE LINE AND 12 PACES FROM TELEPHONE POLE 1615. TO REACH FROM JENNERSVILLE, GO S ON ROUTE 796 FOR 10 MILES TO THE PENNSYLVANIA-MARYLAND STATE LINE. TURN LEFT ON A DIM ROAD ABOUT 10 YARDS N OF THE STATE LINE AND GO 0.15 MILE TO THE STATION ON LEFT. A 100-FOOT TOWER REQUIRED FOR 1935 OBSERVATION. NOTE--THE POSITION OF REFERENCE MARK NO.2 CHECKS THAT OF NORTHEAST CORNER OF MARYLAND 1892.

1/1/1961 by CGS (GOOD)

RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1961 (RWT) THE STATION MARK, REFERENCE MARK NUMBER 1 AND 2 WAS RECOVERED IN GOOD CONDITION. THE AZIMUTH MARK WAS RECOVERED BUT FOUND TO BE SLIGHTLY LEANING, DUE TO THE LOCATION OF THE MARK IT COULD HAVE BEEN HIT BY A ROAD GRADER OR A SNOW PLOW. IT WAS STILL IN GOOD CONDITION AND USED AS IT IS. A DIFFERENCE IN DIRECTION TO THE AZIMUTH MARK WAS 00 00 59.92 SECONDS. THE PROPERTY IS NOW OWNED BY MRS. CLARENCE CROSSAN, WHO LIVES AT FAIR HILL, MARYLAND. A COMPLETE DESCRIPTION FOLLOWS-- THE STATION IS LOCATED 0.15 MILE EAST OF THE POINT WHERE THE DELAWARE, STATE HIGHWAY 896 CROSSES THE DELAWARE AND PENNSYLVANIA LINE, 4.5 MILES NORTH-NORTHWEST OF NEWARK, DELAWARE, 6.0 MILES SOUTHEAST OF NEW LONDON, PENNSYLVANIA AT THE LOCATION WHERE THE DELAWARE, MARYLAND AND PENNSYLVANIA STATE LINES JUNCTIONS. TO REACH THE STATION FROM THE POST OFFICE IN NEWARK. GO WEST ON MAIN STREET FOR 0.4 MILE TO A TRIPLE FORKS AT A RAILROAD CROSSING, KEEP THE EXTREME RIGHT FORK, STATE HIGHWAY 896 AND GO NORTHWEST FOR 3.5 MILES TO THE PENNSYLVANIA STATE LINE AND THE AZIMUTH MARK LOCATED ON THE RIGHT. CONTINUE NORTH FOR 0.05 MILE TO A FIELD ROAD RIGHT. TURN RIGHT AND CROSS A FIELD FOR 0.10 MILE THEN BEAR RIGHT DOWN THE HILL FOR ABOUT 0.05 MILE TO THE EDGE OF THE TIMBER AND THE STATION AS DESCRIBED. THE STATION MARK, A STANDARD DISK STAMPED M.D.P. CORNER 1935, IS CEMENTED IN TOP OF A SQUARE CONCRETE MONUMENT WHICH PROJECTS 5 INCHES ABOVE THE GROUND SURFACE. IT IS 80.0 FEET NORTH OF A SMALL CREEK BED. REFERENCE MARK 1, A STANDARD DISK STAMPED M.D.P. CORNER NO 1 1935, IS CEMENTED IN TOP OF A SQUARE CONCRETE MONUMENT WHICH PROJECTS 4 INCHES ABOVE THE GROUND SURFACE AND DESCRIBED. IT IS 232.0 FEET NORTH-NORTHWEST OF THE CREEK BED AND ABOUT 13.0 FEET HIGHER THAN THE STATION MARK. REFERENCE MARK 2, A STANDARD DISK STAMPED M.D.P. CORNER NO 2 1935, IS CEMENTED IN A DRILL HOLE IN THE TOP OF A 15-INCH STONE WHICH PROJECTS ABOUT 1-1/2 FEET ABOVE THE GROUND SURFACE. THIS STONE IS A BOUNDARY MARKER. IT IS 12.0 FEET SOUTH OF THE SMALL CREEK BED, 12.0 FEET SOUTHWEST OF A 30-INCH POPLAR TREE AND ABOUT 8.0 FEET LOWER THAN THE STATION MARK. REFERENCE MARK 3, A STANDARD DISK STAMPED M.D.P. CORNER NO 3 1935, IS CEMENTED IN TOP OF A SQUARE CONCRETE MONUMENT WHICH PROJECTS 2 INCHES ABOVE THE GROUND SURFACE. IT IS 85.0 FEET NORTH OF THE CREEK BED AND ABOUT 3.0 FEET HIGHER THAN THE STATION MARK. AZIMUTH MARK, A STANDARD DISK STAMPED M.D.P. CORNER 1935, IS CEMENTED IN TOP OF A SQUARE CONCRETE MONUMENT WHICH IS FLUSH WITH THE GROUND SURFACE. IT IS 1.7 FEET SOUTH OF A STANDARD METAL WITNESS POST AND MARKER, 15.0 FEET EAST OF THE CENTER LINE OF STATE HIGHWAY 896, 33.0 FEET NORTH OF A POWERLINE POLE NUMBER 1615 AND 57.8 FEET NORTH OF A MARYLAND AND PENNSYLVANIA BOUNDARY MARKER WHICH PROJECTS ABOUT 6.0 FEET ABOVE THE GROUND SURFACE. HEIGHT OF LIGHT ABOVE STATION MARK 38 METERS.

1/1/1979 by NGS (GOOD)

RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1979 (RGP) STATION RECOVERED AS PREVIOUSLY DESCRIBED.


9/13/2008 by GEOCAC (GOOD)

RECOVERY NOTE BY GEOCACHING 2008 (EK)
STATION, REFERENCE MARKS 1 AND 2 RECOVERED IN GOOD CONDITION AND AS DESCRIBED.

DID NOT SEARCH FOR REFERENCE MARK 3 OR AZIMUTH MARK.

Condition: Mark found in good condition

Designation: MDP CORNER

Benchmark Agency: U.S. Coast & Geodetic Survey

Benchmark Agency (if other): U.S. Coast and Geodetic Survey

Monumentation type: TRIANGULATION STATION Disk

Monumentation type (if other): Traingulation disk

County: Chester County, PA

USGS 7.5' Topographic Quadrangle Name (optional): Newark West - DE/MD/PA

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: JU3824

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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