Stone Tools (IMAGE) University of New Mexico Caption Examples of Lowe type tools recovered from Tzibte Yux (A, B) and Mayhak Cab Pek (C, D). These are among the oldest known tools recovered from Mesoamerica. Credit University of New Mexico Usage Restrictions None 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.