Dallas Police Memorial Apr, 2003 By D. Martin Sloan, P.E. In Articles, Award Winning Projects Striking Structural Tribute This article is currently only available in PDF format, please click the link to the top right. About the author ⁄ D. Martin Sloan, P.E.D. Martin Sloan, P.E. is a Senior Associate at Datum Engineers, Inc. in Austin, Texas. Prev Basic Education Next Graceful Laminated Timbers Enhance Library Interiors