1. Director of Geographic Information System (GIS), CivilTech Engineering, Inc., Cypress, TX 77429 (corresponding author).
2. Project Manager, CivilTech Engineering, Inc., 11821 Telge Rd., Cypress, TX 77429.
3. GIS Manager, CLR, Inc., Houston, TX 77040; formerly, CivilTech Engineering, Inc., 11821 Telge Rd., Cypress, TX 77429.
4. Sr. Project Engineer, TCB AECOM, Houston, TX 77057; formerly, CivilTech Engineering, Inc., 11821 Telge Rd., Cypress, TX 77429.