Johnson's Bibliographic Reference
Source Document Title
Message of the President of the United States, and accompanying documents, to the two Houses of Congress, at the commencement of the first session of the Thirty-ninth Congress : Report of the Commissioner of the General Land Office, 1865
Drawn by J.H. Hawkes, Principal Draughtsman and T. Franks, Assistant
Public lands in the states are overlain with the Public Land Survey System grid which divides lands into 6-mile square townships, ranges, and sections. In surveying the Public Lands the U.S. Bureau of Land Management surveyed 1.8 billion acres.