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Soil map, Texas, Freestone County sheet

Description: Map displays soil types along with creeks, lakes, fish holes, fishing clubs, ferries, towns schools, churches, ranches, roads, and railroads. Includes legend and symbols.
Date: 1921
Creator: United States. Bureau of Soils.
Partner: UNT Libraries Government Documents Department

Well-Drilling Tool.

Description: Patent for a bit that can be attached to a rotary tool for drilling wells. It features a means for using water to dislodge any accumulated mud from the tool.
Date: April 5, 1921
Creator: Clore, Franklin H.
Partner: UNT Libraries Government Documents Department

Digging-Machine.

Description: Patent for a digging machine specialized in breaking hard soil and creating ridges that attempt to reduce erosion.
Date: April 5, 1921
Creator: Holly, Charles
Partner: UNT Libraries Government Documents Department
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