LAS MORAS SPRINGS HISTORICAL MARKER (IMAGE) Southwest Research Institute Caption A historical marker details the history of the ninth largest spring in Texas. Las Moras Springs represent an important cultural landmark dating back thousands of years. Credit Annabell McNew/Kinney County Post Usage Restrictions Images/Videos may be used by the public for educational and informational purposes only. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.