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Map of Limestone County, Texas, including the Prairies and Lakes region. Scale ca. 1:133,334 (4000 varas per inch).

Date: January 26, 1858

Creator: Martin, Joseph

Item Type: Map

Partner: Texas General Land Office

Patent for the improvement of the Rotary-Disk Cutters for plows that enable it to swivel and be supported by guides, including illustration.

Date: April 3, 1855

Creator: Hall, Thomas J.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Patent for the improvement of the gang plow by the plows arrangement and pivoted beams to be adjustable for convenience, including illustration.

Date: May 1, 1855

Creator: Hall, Thomas J.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Patent for a cultivating plow with a series of cutting-disks and digging-hoes, including illustration.

Date: March 25, 1856

Creator: Crenshaw, Micajah

Item Type: Patent

Partner: UNT Libraries Government Documents Department