LC0635 ***********************************************************************
LC0635  DESIGNATION -  LITTLE
LC0635  PID         -  LC0635
LC0635  STATE/COUNTY-  IL/MCLEAN
LC0635  USGS QUAD   -  HEYWORTH (1981)
LC0635
LC0635                         *CURRENT SURVEY CONTROL
LC0635  ___________________________________________________________________
LC0635* NAD 83(1997)-  40 22 18.38916(N)    088 52 54.21851(W)     ADJUSTED
LC0635* NAVD 88     -       248.564  (meters)     815.50   (feet)  ADJUSTED
LC0635  ___________________________________________________________________
LC0635  LAPLACE CORR-           1.93  (seconds)                    DEFLEC99
LC0635  GEOID HEIGHT-         -32.01  (meters)                     GEOID99
LC0635  DYNAMIC HT  -         248.444 (meters)     815.10  (feet)  COMP
LC0635  MODELED GRAV-     980,136.1   (mgal)                       NAVD 88
LC0635
LC0635  HORZ ORDER  -  SECOND
LC0635  VERT ORDER  -  SECOND    CLASS 0
LC0635
LC0635.The horizontal coordinates were established by classical geodetic methods
LC0635.and adjusted by the National Geodetic Survey in October 1999.
LC0635
LC0635.The orthometric height was determined by differential leveling
LC0635.and adjusted by the National Geodetic Survey in June 1991.
LC0635
LC0635.The Laplace correction was computed from DEFLEC99 derived deflections.
LC0635
LC0635.The geoid height was determined by GEOID99.
LC0635
LC0635.The dynamic height is computed by dividing the NAVD 88
LC0635.geopotential number by the normal gravity value computed on the
LC0635.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
LC0635.degrees latitude (g = 980.6199 gals.).
LC0635
LC0635.The modeled gravity was interpolated from observed gravity values.
LC0635
LC0635;                    North         East     Units   Scale      Converg.
LC0635;SPC IL E     -   411,424.859   253,426.522   MT  1.00000169 -0 21 18.8
LC0635;UTM  16      - 4,470,721.500   340,246.124   MT  0.99991416 -1 13 08.9
LC0635
LC0635:                Primary Azimuth Mark                     Grid Az
LC0635:SPC IL E     -  LITTLE AZ MK                             001 33 14.8
LC0635:UTM  16      -  LITTLE AZ MK                             002 25 04.9
LC0635
LC0635|---------------------------------------------------------------------|
LC0635| PID    Reference Object                     Distance      Geod. Az  |
LC0635|                                                           dddmmss.s |
LC0635| LC0633 LITTLE AZ MK                                       0011156.0 |
LC0635| LC0636 LITTLE RM 2                          16.335 METERS 17954     |
LC0635| LC0634 LITTLE RM 1                          16.546 METERS 35916     |
LC0635|        LITTLE RM 3                          16.515 METERS 35917     |
LC0635|---------------------------------------------------------------------|
LC0635
LC0635                          SUPERSEDED SURVEY CONTROL
LC0635
LC0635  NAD 83(1986)-  40 22 18.40069(N)    088 52 54.21865(W) AD(       ) 2
LC0635  NAD 27      -  40 22 18.27280(N)    088 52 53.95070(W) AD(       ) 2
LC0635  NGVD 29     -       248.620  (m)          815.68   (f) ADJ UNCH    2 0
LC0635
LC0635.Superseded values are not recommended for survey control.
LC0635.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
LC0635.See file dsdata.txt to determine how the superseded data were derived.
LC0635
LC0635_MARKER: DS = TRIANGULATION STATION DISK
LC0635_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT
LC0635_STAMPING: LITTLE 1959
LC0635_MAGNETIC: N = NO MAGNETIC MATERIAL
LC0635_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO
LC0635+STABILITY: SURFACE MOTION
LC0635
LC0635  HISTORY     - Date     Condition        Recov. By
LC0635  HISTORY     - 1959     MONUMENTED       CGS
LC0635  HISTORY     - 1959     GOOD             CGS
LC0635  HISTORY     - 1979     GOOD             NGS
LC0635
LC0635                          STATION DESCRIPTION
LC0635
LC0635''DESCRIBED BY COAST AND GEODETIC SURVEY 1959 (RWE)
LC0635''STATION IS ABOUT 2 MILES SOUTH-SOUTHWEST OF DOWNS AND ABOUT
LC0635''7 MILES WEST-NORTHWEST OF LE ROY.
LC0635''
LC0635''TO REACH FROM THE POST OFFICE IN DOWNS, GO NORTH 0.05 MILE
LC0635''TO FIRST INTERSECTION, TURN LEFT AND GO WEST ON SURFACED ROAD
LC0635''FOR 0.55 MILE TO T-INTERSECTION, THEN LEFT AND FOLLOW SURFACED
LC0635''ROAD SOUTH FOR 1.65 MILES TO STATION ON RIGHT AS DESCRIBED.
LC0635''
LC0635''STATION MARK A STANDARD DISK STAMPED LITTLE 1959, IS SET
LC0635''IN A 12 INCH SQUARE CONCRETE POST WHICH PROJECTS ABOUT 6 INCHES.
LC0635''THE MARK IS 20.8 FEET WEST OF CENTER OF ROAD, 1.6 FEET EAST
LC0635''OF FENCE AND 1 FOOT EAST OF WITNESS POST.
LC0635''
LC0635''REFERENCE MARK NUMBER 1, A STANDARD DISK STAMPED LITTLE
LC0635''NO. 1 1959, IS SET IN A 12 INCH SQUARE CONCRETE POST WHICH
LC0635''PROJECTS ABOUT 4 INCHES.  THE MARK IS 20.8 FEET WEST OF CENTER
LC0635''OF ROAD, 54.2 FEET NORTH OF WITNESS POST AND 1.6 FEET EAST
LC0635''OF FENCE.
LC0635''
LC0635''REFERENCE MARK NUMBER 2, A STANDARD DISK STAMPED LITTLE NO. 2
LC0635''1959, IS SET IN A 12 INCH SQUARE CONCRETE POST WHICH PROJECTS
LC0635''ABOUT 5 INCHES.  THE MARK IS 53.6 FEET SOUTH OF WITNESS POST,
LC0635''21 FEET WEST OF CENTER OF ROAD AND 1 FOOT EAST OF FENCE.
LC0635''
LC0635''AZIMUTH MARK, A STANDARD DISK STAMPED LITTLE 1959, IS SET IN
LC0635''A 12 INCH SQUARE CONCRETE POST WHICH PROJECTS ABOUT 6 INCHES.
LC0635''THE MARK IS 25 FEET EAST OF CENTER OF ROAD, 3.7 FEET SOUTH
LC0635''OF TELEPHONE POLE AND 2.2 FEET SOUTH OF WITNESS POST.
LC0635''
LC0635''TO REACH AZIMUTH MARK FROM STATION, GO NORTH ON SURFACED
LC0635''ROAD 0.35 MILE TO MARK ON RIGHT SIDE OF ROAD AS DESCRIBED.
LC0635
LC0635                          STATION RECOVERY (1959)
LC0635
LC0635''RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1959
LC0635''2.2 MI SW FROM DOWNS.
LC0635''ABOUT 2.15 MILES WEST AND SOUTH ALONG AN ASPHALT ROAD FROM THE FIRE
LC0635''STATION AT DOWNS, 21 FEET WEST OF THE CENTER LINE OF THE ROAD,
LC0635''2 FEET EAST OF A FENCE, 414 FEET NORTH OF THE CENTER LINE OF A
LC0635''GRAVEL ROAD WEST, 43 FEET WEST AND ACROSS THE ROAD FROM THE SECOND
LC0635''POWER POLE NORTH OF THE JUNCTION OF THE ROAD WEST, 1.2 FEET EAST
LC0635''OF A METAL WITNESS POST, ABOUT 1/2 FOOT BELOW THE LEVEL OF THE
LC0635''ROAD AND SET IN THE TOP OF A CONCRETE POST PROJECTING 3 INCHES.
LC0635
LC0635                          STATION RECOVERY (1979)
LC0635
LC0635''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1979 (CLN)
LC0635''STATION MARK, REFERENCE MARK 2 AND THE AZIMUTH MARK RECOVERED IN GOOD
LC0635''CONDITION.  REFERENCE MARK 1 FOUND WITH THE DISK SHEARED OFF, THE DISK
LC0635''WAS NOT FOUND.  RM 3 DISK SET IN A DRILL HOLE OF SAME MONUMENT THAT
LC0635''RM 1 WAS SET IN.  REFERENCE MARK 2 WAS SHORTER BY 0.06 FOOT.  THE
LC0635''DIRECTION WAS SMALLER BY 1 MINUTE AND 30 SECONDS.  A NEW DESCRIPTION
LC0635''FOLLOWS.
LC0635''
LC0635''THE STATION IS ABOUT 1.25 MILES SOUTH SOUTHWEST OF DOWNS AND I 74,
LC0635''AND ON ROAD RIGHT OF WAY.
LC0635''
LC0635''TO REACH THE STATION FROM JUNCTION OF INTERSTATE HIGHWAY 74 AND
LC0635''SEMINARY STREET AT THE SOUTH EDGE OF DOWNS.  GO SOUTHWEST ON PAVED
LC0635''ROAD FOR 0.45 MILE TO CROSSROADS.  TURN LEFT, GO SOUTH ON PAVED ROAD
LC0635''FOR 0.65 MILE TO THE AZIMUTH MARK ON THE LEFT.  CONTINUE AHEAD FOR
LC0635''0.35 MILE TO TOP OF GRADE AND STATION ON THE RIGHT.
LC0635''
LC0635''STATION IS 134.5 FEET NORTH OF POWER LINE POLE AND 21 FEET WEST OF
LC0635''THE CENTERLINE OF PAVED ROAD.  THE MARK PROJECTS 4 INCHES, THE DISK
LC0635''STAMPED LITTLE 1959.
LC0635''
LC0635''REFERENCE MARK 2 IS 81 FEET NORTH OF THE POWER LINE POLE AND 21 FEET
LC0635''WEST OF CENTERLINE OF ROAD.  THE MARK PROJECTS 4 INCHES AND THE DISK
LC0635''STAMPED LITTLE NO 2 1959.
LC0635''
LC0635''REFERENCE MARK 3 IS 21 FEET WEST OF CENTERLINE OF ROAD.  THE DISK IS
LC0635''STAMPED LITTLE 1959 NO 3 1979.
LC0635''
LC0635''THE AZIMUTH MARK IS 73 FEET SOUTHEAST OF A POWER LINE POLE AND 25 FEET
LC0635''EAST OF THE CENTERLINE OF ROAD.  THE MARK PROJECTS 4 INCHES AND THE
LC0635''DISK STAMPED LITTLE 1959.