In 1839, Jos Policarpo Rodriguez came north with his father from Zaragosa, Mexico, to the Republic of Texas. Poli was ten years old when he arrived in Texas, and he and his father settled in the Hill Country near San Antonio. Poli grew up with Comanches, surveyed territory for the Republic of Texas and the United States Army, fought against warring Indians, and mapped settlements for nineteenth-century German settlers in Texas. He was the first non-Indian...