"Sen. Ex. Doc. No. 1, 34th Cong., 1st Sess.", From: Report of the Commissioner of the General Land Office, 1856., Relief shown by hachures., and Shows drainage, township lines, etc.
"Sen. Ex. Doc. No. 1, 2d Sess., 36th Cong.", Includes "List of private grants finally surveyed.", Relief shown by hachures., and Shows drainage, townships, land grants, etc.