DATASHEETS Data Sheet Retrieval National Geodetic Survey, Retrieval Date = MAY 18, 2019 DU1934 *********************************************************************** DU1934 DESIGNATION - ROUND TOP LOOKOUT TOWER DU1934 PID - DU1934 DU1934 STATE/COUNTY- AZ/GILA DU1934 COUNTRY - US DU1934 USGS QUAD - ROUND TOP MTN (1978) DU1934 DU1934 *CURRENT SURVEY CONTROL DU1934 ______________________________________________________________________ DU1934* NAD 83(1992) POSITION- 33 56 00.91780(N) 110 00 36.81515(W) ADJUSTED DU1934* NAVD 88 ORTHO HEIGHT - 2194. (meters) 7198. (feet) SCALED DU1934 ______________________________________________________________________ DU1934 GEOID HEIGHT - -24.038 (meters) GEOID12B DU1934 LAPLACE CORR - 4.92 (seconds) DEFLEC12B DU1934 HORZ ORDER - THIRD DU1934 DU1934.The horizontal coordinates were established by classical geodetic methods DU1934.and adjusted by the National Geodetic Survey in August 1993. DU1934. DU1934.The orthometric height was scaled from a topographic map. DU1934 DU1934.Significant digits in the geoid height do not necessarily reflect accuracy. DU1934.GEOID12B height accuracy estimate available here. DU1934 DU1934.The Laplace correction was computed from DEFLEC12B derived deflections. DU1934 DU1934. The following values were computed from the NAD 83(1992) position. DU1934 DU1934; North East Units Scale Factor Converg. DU1934;SPC AZ E - 325,299.102 227,822.496 MT 0.99990258 +0 05 14.4 DU1934;SPC AZ E - 1,067,254.27 747,449.13 iFT 0.99990258 +0 05 14.4 DU1934;UTM 12 - 3,755,233.512 591,476.243 MT 0.99970315 +0 33 09.2 DU1934 DU1934! - Elev Factor x Scale Factor = Combined Factor DU1934!SPC AZ E - 0.99965949 x 0.99990258 = 0.99956210 DU1934!UTM 12 - 0.99965949 x 0.99970315 = 0.99936274 DU1934 DU1934_U.S. NATIONAL GRID SPATIAL ADDRESS: 12SWC9147655233(NAD 83) DU1934 DU1934 SUPERSEDED SURVEY CONTROL DU1934 DU1934 NAD 83(1986)- 33 56 00.91514(N) 110 00 36.81917(W) AD( ) 3 DU1934 NAD 27 - 33 56 00.74200(N) 110 00 34.44700(W) AD( ) 3 DU1934 DU1934.Superseded values are not recommended for survey control. DU1934 DU1934.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. DU1934.See file dsdata.pdf to determine how the superseded data were derived. DU1934 DU1934_MARKER: 57 = LOOKOUT TOWER DU1934 DU1934 HISTORY - Date Condition Report By DU1934 HISTORY - 1958 FIRST OBSERVED CGS DU1934 DU1934 STATION DESCRIPTION DU1934 DU1934'DESCRIBED BY COAST AND GEODETIC SURVEY 1958 DU1934'TO REACH THE STATION FROM THE POST OFFICE IN PINETOP, GO SOUTH ON DU1934'STATE HIGHWAY NO. 173 FOR 4.1 MILES TO THE JUNCTION OF STATE HIGHWAY DU1934'NO. 73 AT INDIAN PINE, TURN RIGHT AND CONTINUE SOUTHERLY ON STATE DU1934'HIGHWAY NO. 73 FOR 10.2 MILES TO A SIDE ROAD ON THE RIGHT JUST DU1934'AFTER CROSSING A SMALL WOODEN BRIDGE AND JUST BEFORE REACHING A DU1934'INDIAN RESIDENCE, TURN RIGHT ON THE BLADED ROAD AND GO WESTERLY DU1934'FOR 6.3 MILES TO ROUNDTOP AZIMUTH MARK ON THE LEFT AS DESCRIBED, DU1934'CONTINUE WESTERLY ON THE BLADED ROAD FOR 1.3 MILES TO THE END DU1934'OF THE ROAD AT A CABIN, FROM HERE PACK UP WELL DEFINED TRAIL DU1934'FOR ABOUT 30 MINUTES TO THE LOOKOUT TOWER AS DESCRIBED. DU1934' DU1934'ROUND TOP LOOKOUT TOWER IS A 4-LEGGED STEEL STRUCTURE WITH THE DU1934'WINDOWS BROKEN OUT IN THE TOP, COLORED GRAY AND IS 30 FEET IN DU1934'OVERALL HEIGHT. THE CENTER OF THE TOWER AT GROUND LEVEL WAS THE DU1934'POINT INTERSECTED. THE LOOKOUT TOWER HAS BEEN ABANDONED.