FEMA Elevation Certificate and Instructions, 2023 Section 3.5 Geodetic Leveling in FGCS Specifications and Procedures to Incorporate Electronic Digital/Bar-Code Leveling Systems, 2004 PS TEST REFERENCE ALTA/NSPS MINIMUM STANDARD DETAIL REQUIREMENTS United States National Map Accuracy Standards, 1947 Geospatial Positioning Accuracy Standards, Federal Geographic Data Committee, Parts 1-3 Geospatial Positioning Accuracy Standards, Federal Geographic Data Committee, Part 4 Geospatial Positioning Accuracy Standards, Federal Geographic Data Committee, Part 5
