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US Public Land Survey Monument Record City Index No. 709129 <br /> Center of Section 25, Township 07 North, Range 09 East <br /> Notes: <br /> 1. A brass cap section corner monument on a 4x4 inch concrete post 4 inches above <br /> ground (point P1 -see Point Table)was found,the same as found by Sandsnes in ' 16 <br /> 2004. I accepted this as the section corner position. All 4 witness ties per Sandsnes Et -..�` <br /> 2004 record(P2-P5)were found in same location. I set two additional ties(P6, P7) m ��.` <br /> 2. Horizontal coordinates are Wisconsin Coordinate Reference Systems(WISCRS), A2 <br /> Dane Zone, U.S. survey feet,NAD83(2007)datum, computed from a combined least- • _ `i•; <br /> squares adjustment of total station and RTK GPS measurements from the City of <br /> base station at 43°02'12.78285"N, 89°24'34.27099"W, WISCRS-Dane ` <br /> Coordinates N=469050.00, E= 814396.30 US ft.. Horizontal 95% uncertainty from � , `►, <br /> adjustment=+/- 0.07 ft(from base station) • . 4 <br /> 3. Elevations are in the NAVD88(1991)datum (1991 =original adjustment), <br /> determined from the same adjustment as for the horizontal coordinates, using a base <br /> station ellipsoid height(base of antenna mount)= 815.84 ft,NAD 83(2011)(EPOCH \ <br /> 2010.00)datum, and the GEOID 12A geoid model,then subtracting 0.17 feet from the \\\���� ��� <br /> \cJ C O N s7 <br /> resulting elevations to convert from NAVD 88(2012)to NAVD 88(1991). See 1/ <br /> http://danrodman.tripod.com Vertical 95% uncertainty from adjustment=+/- 0.05 ft DANIEL C. <br /> (from base station). * RODMAN <br /> S-2793 -_ <br /> 4. Sandsnes 2004 county coordinates of P1,N=474827.82 US ft, E=823844.38 US ft, = Madison, WI <br /> are 0.18 ft south and 0.21 ft west of mine, some of which may be datum shift. Sandsnes <br /> P1 elevation is 882.26 ft, 0.2 ft higher than mine, both in NAVD 88(1991)datum. Most <br /> of differences <br /> and substantial tree assumed <br /> cover. <br /> be RTK GPS error in 2004, given consistency of 2004 ties S U Rv- OCL <br /> /itit1 Iitl I I R 11ri�11����\\ <br /> POINT TABLE (see notes) <br /> Witness monument elevations shown to verify elevation of section corner <br /> monument P1;witness monuments may not be vertically stable. <br /> Pt Northing Easting Elev Monument <br /> Found brass cap section corner <br /> monument on 4x4in concrete post 4 <br /> P1 474827.98 823844.59 882.06 inches above ground <br /> Found aluminum cap witness <br /> P2 474823.03 823841.75 882.59 monument(Sandsnes 2004) <br /> Found 5/8in outside diameter rod <br /> P3 474812.00 823795.12 885.59 (Moore 2001, Sandsnes 2004) <br /> Found aluminum cap witness <br /> P4 474842.01 823747.39 886.17 monument(Sandsnes 2004) <br /> Found aluminum cap witness <br /> P5 474883.28 823768.76 884.09 monument(Sandsnes 2004) <br /> P6 474851.57 823794.62 883.61 Set 3/4in outside diameter rod <br /> P7 474759.45 823820.30 885.37 Set 3/4in outside diameter rod LOCATION SKETCH <br /> stump hole <br /> P5. 7" Red/ <br /> Black Oak <br /> LINE TABLE <br /> Bearings in Dane County Coordinate System, <br /> NAD 83(2007)Datum. Distances are horizontal. P60 <br /> lar•a Oak <br /> From To Bearing Distance <br /> P1 P2 S29°50'40"W 5.71 ft • P4 k <br /> P1 P3 S72°05'54"W 51.99 ft p <br /> P1 P4 N81°47'12"W 98.21 ft . P2�. <br /> P1 P5 N53°53'53"W 93.85 ft <br /> PI P6 N64°43'44"W 55.26 ft N <br /> P1 P7 S19°30'60"W 72.71 ft m� <br /> large 2- runk Oak <br /> 3iv" <br /> of <br /> 0 40ft P7 1 <br /> • <br /> I here by certify that the corner location on this record was determined by or <br /> under my direction and control and that this US Land Survey Monument Record r� G <br /> is correc and c plete he est of my knowledge and belief. 4070 1 2-0 2.0 <br /> Aug 19,2015 Prepared by Dan Rodman, City of Madison, WI <br /> Daniel C. Ro man,PLS S-2793 Date Parks Division Page 1 of 1 <br />