An Overview of the Map Turtles of the United States | by David T. Kirkpatrick, Ph.D | This article copyright 1993 by David T. Kirkpatrick. Originally published in Reptile & Amphibian Magazine, November/December 1993, pages 6 - 17. Reprinting of this article for non-profit purposes is permitted provided that it is unaltered and appropriate attribution, including copyright information, is included. Please notify the author of any reprinting.