This is Unit 5, the last lesson in a training series on Restoration of Lost Corners by Proportionate Measurement prepared by the Branch of Cadastral Surveyor development of Bureau of Land Management. Before we start this summary lesson, let's look again at the major objectives stated in the first lesson. As these are recounted and throughout this last program, try to be honest with yourself. Have you truly mastered the subject matter at hand? If your answer is "no", do yourself justice and review the pertinent areas.