1 National Geodetic Survey, Retrieval Date = MARCH 4, 2003 EH0627 *********************************************************************** EH0627 DESIGNATION - CLARKSDALE RM 1 EH0627 PID - EH0627 EH0627 STATE/COUNTY- MS/COAHOMA EH0627 USGS QUAD - CLARKSDALE (1967) EH0627 EH0627 *CURRENT SURVEY CONTROL EH0627 ___________________________________________________________________ EH0627* NAD 83(1986)- 34 12 45. (N) 090 36 21. (W) SCALED EH0627* NAVD 88 - 52.281 (meters) 171.53 (feet) ADJUSTED EH0627 ___________________________________________________________________ EH0627 GEOID HEIGHT- -26.54 (meters) GEOID99 EH0627 DYNAMIC HT - 52.230 (meters) 171.36 (feet) COMP EH0627 MODELED GRAV- 979,656.3 (mgal) NAVD 88 EH0627 EH0627 VERT ORDER - SECOND CLASS 0 EH0627 EH0627.The horizontal coordinates were scaled from a topographic map and have EH0627.an estimated accuracy of +/- 6 seconds. EH0627 EH0627.The orthometric height was determined by differential leveling EH0627.and adjusted by the National Geodetic Survey in June 1991. EH0627 EH0627.The geoid height was determined by GEOID99. EH0627 EH0627.The dynamic height is computed by dividing the NAVD 88 EH0627.geopotential number by the normal gravity value computed on the EH0627.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 EH0627.degrees latitude (g = 980.6199 gals.). EH0627 EH0627.The modeled gravity was interpolated from observed gravity values. EH0627 EH0627; North East Units Estimated Accuracy EH0627;SPC MS W - 522,550. 674,890. MT (+/- 180 meters Scaled) EH0627 EH0627 SUPERSEDED SURVEY CONTROL EH0627 EH0627 NGVD 29 - 52.332 (m) 171.69 (f) ADJUSTED 2 0 EH0627 EH0627.Superseded values are not recommended for survey control. EH0627.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. EH0627.See file dsdata.txt to determine how the superseded data were derived. EH0627 EH0627_U.S. NATIONAL GRID SPATIAL ADDRESS: 15SYT205883(NAD 83) EH0627_MARKER: DR = REFERENCE MARK DISK EH0627_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT EH0627_STAMPING: CLARKSDALE 1929 NO 1 EH0627_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO EH0627+STABILITY: SURFACE MOTION EH0627_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR EH0627+SATELLITE: SATELLITE OBSERVATIONS - February 10, 2003 EH0627 EH0627 HISTORY - Date Condition Report By EH0627 HISTORY - 1929 MONUMENTED CGS EH0627 HISTORY - 1973 GOOD MSHD EH0627 HISTORY - 20030210 GOOD INDIV EH0627 EH0627 STATION DESCRIPTION EH0627 EH0627'DESCRIBED BY MISSISSIPPI STATE HIGHWAY DEPARTMENT 1973 EH0627'1.9 MI WNW FROM CLARKSDALE. EH0627'THE MARK IS LOCATED 1.9 MILES WNW OF THE COURTHOUSE IN CLARKSDALE NEAR EH0627'THE NE CEMETERY FENCE ON THE SE ANGLE OF THE INTERSECTION OF LEE DRIVE EH0627'AND OAKHURST AVENUE, 0.3 MILE NE OF THE COAHOMA COUNTY HIGH SCHOOL IN EH0627'THE SW 1/4 OF THE NW 1/4 OF SECTION 15, T 27N, R 4W. IT IS 157.88 EH0627'FEET NORTH OF THE STATION, 20 FEET SW OF THE CENTER OF OAKHURST EH0627'AVENUE, 9 FEET SOUTH OF THE SE END OF THE CENTER OF OAKHURST AVENUE, 9 EH0627'FEET SOUTH OF THE SE END OF THE SE HEADWALL OF A STORM SEWER, 6.5 FEET EH0627'WEST OF A TELEPHONE CABLE POLE, 4 FEET SW OF THE CEMETERY FENCE AND A EH0627'METAL WITNESS POST SET IN THE TOP OF A 12 INCH SQUARE CONCRETE POST EH0627'ABOUT LEVEL WITH THE STREET AND PROJECTS 4 INCHES. TO REACH FROM THE EH0627'INTERSECTION OF U.S. HIGHWAY 49 AND 61 IN CLARKSDALE GO SW ON U.S. EH0627'HIGHWAY 61 FOR 1.7 MILES TO THE JUNCTION OF STATE HIGHWAY 322. TURN EH0627'RIGHT AND GO NW ON STATE HIGHWAY 322 FOR 1.4 MILES TO THE INTERSECTION EH0627'OF LEE DRIVE. TURN RIGHT AND GO NORTH ON LEE DRIVE FOR 1 MILE TO THE EH0627'INTERSECTION OF OAKHURST AVENUE. TURN RIGHT AND GO SE ON OAKHURST EH0627'AVENUE FOR ABOUT 150 FEET TO THE MARK ON THE RIGHT. EH0627 EH0627 STATION RECOVERY (2003) EH0627 EH0627'RECOVERY NOTE BY INDIVIDUAL CONTRIBUTORS 2003 (DC) EH0627'RECOVERED AS DESCRIBED