9This Manual of Surveying Instruction represents the latest in series of official and binding survey instructions dating back to 1804; the most recent prior to this edition was issued in 1973. The dominant federal policy has shifted from one favoring disposal and settling of the reserved public lands to one favoring retention, administration, and control. This manual, related manual supplements and special instructions, and all former editions remain legally relevant because they provide instructions in force at the time the survey was conducted. This edition of the manual governs the conduct of all surveys and resurveys of the official boundaries of all Federal interest lands authorized or approved by the bureau of land management (BLM)...