1 National Geodetic Survey, Retrieval Date = OCTOBER 7, 2003 EH2519 *********************************************************************** EH2519 CBN - This is a Cooperative Base Network Control Station. EH2519 DESIGNATION - K 344 EH2519 PID - EH2519 EH2519 STATE/COUNTY- MS/TUNICA EH2519 USGS QUAD - HELENA (1982) EH2519 EH2519 *CURRENT SURVEY CONTROL EH2519 ___________________________________________________________________ EH2519* NAD 83(1993)- 34 35 02.51582(N) 090 31 10.70378(W) ADJUSTED EH2519* NAVD 88 - 59.383 (meters) 194.83 (feet) ADJUSTED EH2519 ___________________________________________________________________ EH2519 X - -47,675.373 (meters) COMP EH2519 Y - -5,256,568.221 (meters) COMP EH2519 Z - 3,599,988.869 (meters) COMP EH2519 LAPLACE CORR- 0.33 (seconds) DEFLEC99 EH2519 ELLIP HEIGHT- 32.42 (meters) (04/15/02) GPS OBS EH2519 GEOID HEIGHT- -26.89 (meters) GEOID99 EH2519 DYNAMIC HT - 59.327 (meters) 194.64 (feet) COMP EH2519 MODELED GRAV- 979,678.8 (mgal) NAVD 88 EH2519 EH2519 HORZ ORDER - B EH2519 VERT ORDER - FIRST CLASS II EH2519 ELLP ORDER - FOURTH CLASS II EH2519 EH2519.The horizontal coordinates were established by GPS observations EH2519.and adjusted by the National Geodetic Survey in February 2002. EH2519 EH2519.The orthometric height was determined by differential leveling EH2519.and adjusted by the National Geodetic Survey in June 1991. EH2519 EH2519.The X, Y, and Z were computed from the position and the ellipsoidal ht. EH2519 EH2519.The Laplace correction was computed from DEFLEC99 derived deflections. EH2519 EH2519.The ellipsoidal height was determined by GPS observations EH2519.and is referenced to NAD 83. EH2519 EH2519.The geoid height was determined by GEOID99. EH2519 EH2519.The dynamic height is computed by dividing the NAVD 88 EH2519.geopotential number by the normal gravity value computed on the EH2519.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 EH2519.degrees latitude (g = 980.6199 gals.). EH2519 EH2519.The modeled gravity was interpolated from observed gravity values. EH2519 EH2519; North East Units Scale Converg. EH2519;SPC MS W - 563,745.083 682,907.636 MT 0.99995360 -0 06 20.7 EH2519;UTM 15 - 3,829,711.552 727,501.856 MT 1.00023799 +1 24 30.6 EH2519 EH2519 SUPERSEDED SURVEY CONTROL EH2519 EH2519 ELLIP H (02/15/02) 32.42 (m) GP( ) 4 1 EH2519 NAVD 88 (02/15/02) 59.38 (m) 194.8 (f) LEVELING 3 EH2519 NGVD 29 (??/??/??) 59.420 (m) 194.95 (f) ADJUSTED 1 2 EH2519 EH2519.Superseded values are not recommended for survey control. EH2519.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. EH2519.See file dsdata.txt to determine how the superseded data were derived. EH2519 EH2519_U.S. NATIONAL GRID SPATIAL ADDRESS: 15SYU2750229712(NAD 83) EH2519_MARKER: F = FLANGE-ENCASED ROD EH2519_SETTING: 59 = STAINLESS STEEL ROD IN SLEEVE (10 FT.+) EH2519_STAMPING: K 344 1983 EH2519_MARK LOGO: NGS EH2519_PROJECTION: FLUSH EH2519_MAGNETIC: N = NO MAGNETIC MATERIAL EH2519_STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD EH2519+STABILITY: POSITION/ELEVATION WELL EH2519_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR EH2519+SATELLITE: SATELLITE OBSERVATIONS - November 19, 2002 EH2519_ROD/PIPE-DEPTH: 40.2 meters EH2519_SLEEVE-DEPTH : 6.10 meters EH2519 EH2519 HISTORY - Date Condition Report By EH2519 HISTORY - 1983 MONUMENTED NGS EH2519 HISTORY - 20000607 GOOD NGS EH2519 HISTORY - 20011003 GOOD 3001 EH2519 HISTORY - 20020418 GOOD EMCINC EH2519 HISTORY - 20021119 GOOD USACE EH2519 EH2519 STATION DESCRIPTION EH2519 EH2519'DESCRIBED BY NATIONAL GEODETIC SURVEY 1983 EH2519'20.0 KM (12.45 MI) NW FROM LULA. EH2519'7.4 KM (4.6 MI) NORTHWEST ALONG U.S. HIGHWAY 49 FROM THE HIGH SCHOOL EH2519'IN LULA (WHICH IS 1.9 KM (1.2 MI) WEST OF THE POST OFFICE) TO THE EH2519'CREST OF THE LEVEE, THENCE 12.6 KM (7.85 MI) NORTH ALONG THE TOP OF EH2519'THE LEVEE, SET AT THE TOE OF THE LEVEE, AT A CATTLE GUARD AND CROSS EH2519'FENCE, AT MILEPOST 50/51, ALSO, THE LEVEE CAN BE REACHED BY GOING EH2519'2.6 KM (1.6 MI) SOUTHEAST ALONG U.S. HIGHWAY 49 FROM THE EAST END OF EH2519'THE MISSISSIPPI RIVER BRIDGE, 37.49 METERS (123.0 FT) EAST-NORTHEAST EH2519'OF THE CENTER O THE METAL CATTLE GUARD ON TOP OF THE LEVEE, EH2519'33.83 METERS (111.0 FT) EAST OF MILEPOST 50/51, 17.67 METERS (58.0 FT) EH2519'SOUTHWEST OF THE SOUTHWESTERNMOST GATE POST IN THE FENCE LINE, AND EH2519'1.21 METERS (4.0 FT) NORTHWEST OF THE FENCE. EH2519'THE MARK IS 0.50 METERS N FROM A WITNESS POST. EH2519'THE MARK IS 9.14 M BELOW TOP OF LEVEE. EH2519 EH2519 STATION RECOVERY (2000) EH2519 EH2519'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2000 EH2519'RECOVERED AS AMENDED. TO REACH THE STATION FROM THE INTERSECTION OF EH2519'RTE 4 (AUSTIN RD) AND OLD US 61 IN EVANSVILLE, MS, DRIVE SOUTH ON OLD EH2519'US 61 (PARALLEL TO OLD RR ROW) FOR 3.55 MI, (5.71 KM) THROUGH CLAYTON, EH2519'MS, TO A PAVED ROAD RIGHT. TURN RIGHT AND CONTINUE WESTERLY ON FLOWER EH2519'LAKE RD FOR 5.9 MI (9.5 KM) TO A T INTERSECTION. PROCEED NORTH ON EH2519'DUNDEE RD FOR 0.4 MI (0.6 KM) TO THE LEVEE AND TO THE ROAD AT THE TOP. EH2519'TAKE THE LEFT FORK AND HEAD WEST AND SOUTH ALONG THE TOP OF THE LEVEE EH2519'ABOUT 1.8 MI (2.9 KM) TO A CATTLE GUARD, MILE POST 50/51, AND THE EH2519'STATION ON THE EAST, DOWN THE SLOPE ON THE LEFT AT THE TOE OF THE EH2519'LEVEE. THE STATION MARK IS NOW 3.6 FT (1.1 M) NORTH OF AN ORANGE EH2519'WITNESS POST AND 3.3 FT (1.0 M) NW OF A WIRE FENCE. EH2519 EH2519 STATION RECOVERY (2001) EH2519 EH2519'RECOVERY NOTE BY 3001, INC 2001 (KWC) EH2519'THE STATION IS LOCATED IN TUNICA COUNTY, MS 12.45 MILES NW FROM LULA. EH2519'4.6 MILES NW ALONG EH2519'US HWY 49 FROM HIGH SCHOOL IN LULA. EH2519' EH2519'TO REACH THE STATION FROM THE INTERSECTION OF HIGH SCHOOL IN LULA AND EH2519'US HWY 49 GO 4.6 EH2519'MILES NW ON HWY 49 TO THE CREST OF THE LEVEE, 78.5 MILES NORTH ALONG EH2519'THE TOP OF THE EH2519'LEVEE, SET AT THE TOE OF THE LEVEE AT A CATTLE GUARD AND CROSS FENCE, EH2519'AT MILE POST 50/51. EH2519'ALSO LEVEE CAN BE REACHED BY GOING 1.6 MILES SE ALONG HWY 49 FROM THE EH2519'EAST OF THE MS EH2519'RIVER BRIDGE, 123FT EAST-NE OF THE CENTER OF THE METAL CATTLE GUARD ON EH2519'THE TOP OF THE EH2519'LEVEE, 110 FT EAST OF MILE POST 50/51 EH2519' EH2519'THE STATION IS A STAINLESS STEEL ROD IN SLEEVE SET 40.2 METERS WITH EH2519'SLEEVE DEPTH OF 6.09 EH2519'METERS, ROD IS ACCESSED 7CM. 17.67M (58. FT) SOUTHWEST OF THE SOUTH EH2519'WESTERN MOST GATE EH2519'POST IN THE FENCE LINE, 1.2 M (4.0FT) NORTHWEST OF THE FENCE. THE MARK EH2519'IS .5 MILES NORTH EH2519'FROM A WITNESS POST. THE MARK IS 9.14 MILES BELOW THE TOP OF THE EH2519'LEVEE. EH2519' EH2519' EH2519 EH2519 STATION RECOVERY (2002) EH2519 EH2519'RECOVERY NOTE BY EMC INCORPORATED 2002 (WB) EH2519'FOUND AS DESCRIBED. EH2519' EH2519' EH2519 EH2519 STATION RECOVERY (2002) EH2519 EH2519'RECOVERY NOTE BY US ARMY CORPS OF ENGINEERS 2002 (JMH) EH2519'RECOVERED IN GOOD CONDITION.