Center Pointbr/ Kerr County, Texas br/29 57.019' N 99 01.790' W br/br/Text: Home of Dr. Charles De Ganahl (1824-1883), a signer of the Texas Articles of Secession in 1861 and Army Surgeon for the Confederate States of America. The home was erected in 1856 and named after Dr. Ganahl's ancestral home in the Austrian Tyrol of Europe. Here the first post office in Kerr County was established in 1857 with his wife Virginia (1834-1895) as the first postmaster.