← Back to Events Halff Associates, Inc. + Google Map 1201 N. Bowser Road Richardson, Texas 75081 Upcoming Events Events List Navigation « Previous Events February 2023 Colorado Trek Final Meeting February 19 @ 3:30 pm - 5:00 pm Halff Associates, Inc., 1201 N. Bowser Road Richardson, Texas 75081 + Google Map Find out more » + Export Events PDF Link Book Your Spot Now Sons Daughters Combined