Restoration of Lost or Obliterated Corners 

Approved Florida Board of Professional Surveyors and Mappers – Course No. 7591             

Course Description:

This correspondence course provides instruction in the United States Public Land Survey System. The course teaches principles and concepts needed in the practice of surveying and mapping, The course is based on Chapter 5 (Restoration of Lost or Obliterated Corners) of the U.S. Department of the Interior publication by the Bureau of Land Management entitled "Manual of Surveying Instructions 1973".

Course Topics:

· Corners and Monuments

· Lost, Found, or Obliterated Corners

· Corner Accessories

· Best Available Evidence

· Lost Corner Techniques

· Double Proportionate Measurement

· Single Proportionate Measurement

· Half-Mile Post and Quarter Corners

· Meander Corners

· Closing Corners

· Broken Boundaries

· Grant Boundaries

· Original Control

Course Objectives:

The objective of "Restoration of Lost or Obliterated Corners HS" is to provide information that will assist the surveyor in understanding the restoration of lost or obliterated Corner process as it relates to the United States' Public Land Survey System.

Evaluation Method:

A written examination will be used to determine if the course objectives have been met. The student must achieve a minimum of 70 percent correct answers in order to receive continuing education credit.

Course Outline

1. Identification of existent corners

       (Corners, Monuments, Definitions, Topographic Calls, Line Trees)

2.    The restoration of lost corners

· Primary Methods

· Secondary Methods

· Special Cases .