NGS Retired Policies
| Title | Retired Date | |
|---|---|---|
| Policy on Changes to State Plane Coordinates | 12/18/2012 | |
| NOS Contracting Policy for Survey and Mapping Services | 07/10/2010 | |
| Using Height Modernization Program Stations' GPS-Derived Heights as Constraints in Leveling Adjustments | 04/13/2005 | |
| ITRF97 to NAD83 Transformation | 10/05/2000 | |
