During his time in San Antonio, he served as a Bexar County land surveyor, Senator, House Representative, and Engineering Corps. of Confederate Army. After the Civil War, he practiced law and supervised the building of railroad tracks all around Texas. He served as a Texas Representative in United States Congress.
Gustav Schleicher was mainly known for his political smarts, education, and colorful use of language. He died on January 10, 1879. In 1887, Schleicher County, Texas was named im memory of him.
Bibliography:
The Daughters of the Republic of Texas Library Files
The Handbook of Texas Online