PURPOSE: This rule prescribes requirements for referencing corners of the United State Public Land Survey to the Missouri Coordinate System of 1983.

1. (1) When the corner that is removed, altered, restored, or reestablished is required to be referenced to the Missouri Coordinate System of 1983, the corner coordinates shall be shown on the Certified Land Corner Document form.

2. (2) Coordinates referenced to the Missouri Coordinate System of 1983 and shown on Certified Land Corner Document forms shall comply with the following requirements:

   1. (A) The position of the corner shall be based upon a geodetic control station having a horizontal accuracy of second order (as defined in 2 CSR 90-62) or higher order;
   2. (B) The survey connecting the corner to the geodetic control station shall meet the accuracy standards set forth in the Missouri Standards for Property Boundary Surveys; and

   3. (C) The following information shall be included on the Certified Land Corner Document form:

      1. 1. The geodetic control station(s) that

were used to determine the position of the corner;

1. 2. The coordinates of the geodetic con-

trol station(s) used and the appropriate zone designation;

1. 3. The appropriate adjustment date or

realization designation on the North American Datum of 1983 along with the epoch date, when applicable;

1. 4. A brief statement of the method used

to obtain the position; and

1. 5. The grid factor used.

1. (3) Coordinates referenced to the Missouri Coordinate System of 1983 may be used to reference corners in lieu of monuments.

AUTHORITY: sections 60.321 and 60.550, RSMo 2016.* Rule originally filed as 10 CSR 30-3.070. Original rule filed May 3, 1994, effective Dec. 30, 1994. Moved to 2 CSR 90- 61.070 and amended: Filed Dec. 1, 2016, effective June 30, 2017.

*Original authority: 60.321, RSMo 1989, amended 2013 and 60.550, RSMo 1969, amended 2013.