Bricks

•  Brand :  BARTLESVILLE; I T
•  RL Frog :  
•  Type :  
•  Maker :  BARTLESVILLE VITRIFIED BRICK CO.
•  City, State :  BARTLESVILLE, OK
•  Graves book :  V31

IT stands for Indian Territory and OT stands for Oklahoma Territory and predates Oklahoma statehood in 1907. OT was formally recognized from 1890 to 1907 http://en.wikipedia.org/wiki/File:Okterritory.png

http://en.wikipedia.org/wiki/Oklahoma_Territory

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