(March 6, 1822 - June 15, 1878) A professional surveyor before and after coming to Texas in 1845 fom his native Germany, J. J. Groos helped open New Braunfels area to settlement. He served 1849-65 as a Comal County official, and was in Confederate militia during Civil War (1861-65). In 1874, Groos was elected Commissioner of the General Land Office of Texas and served four years, until his death. Married to Katharine Blieder, he was father of seven children. Recorded 1974
Getting there
30.2747, -97.7277
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