Restoration of Lost or Obliterated Corners and Subdivision Sections - (BLM 1974)
Madison County MO Atlas - 2010
Missouri - Land Survey Brocure
Finding Square Roots
Manual of Instructions for the Surve of the Public Lands of the United States - 1973 - BLM
BLM - Manual of Instructions - 1973
Topographic Surveying (USACE)