Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Dam with overflow pipe discharging water from spring (109) near Lee Creek in the Trinity aquifer outcrop, northern Bexar County, Texas. Photograph taken on Monday, November 15, 2010.
Data Series 750
Public Domain.
