PURPOSE: This rule prescribes the requirements for referencing corners of the United States 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 20 CSR 2030-18.020) or higher order;
   2. (B) The survey connecting the corner to the geodetic control station shall meet the and Professional Landscape Architects

accuracy standards set forth in the Missouri Standards for Property Boundary Surveys; and

1. (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 327.041 and 327.272, RSMo 2016.* This rule originally filed as 4 CSR 30-17.070. Original rule filed May 3, 1994, effective Dec. 30, 1994. Moved to 20 CSR 2030-17.070, effective Aug. 28, 2006. Amended: Filed June 14, 2007, effective Dec. 30, 2007. Non-substantive change filed Oct. 21, 2015, published Dec. 31, 2015. Amended: Filed Nov. 18, 2016, effective June 30, 2017.

*Original authority: 327.041, RSMo 1969, amended 1981, 1986, 1989, 1993, 1995, 1999, 2001, 2010, 2014 and 327.272, RSMo 1969, amended 1981, 1999, 2010, 2014, 2016.