Monitoring Equipment around David Craig Park – August 26, 2024 Havre de GraceMonitoring Equipment around David Craig Park – August 26, 2024 As part of the Susquehanna River Rail Bridge Project, Seismic Surveys, LLC will be installing vibration and noise monitoring equipment around the area of David Craig Park. The equipment is scheduled to be installed on Monday, August 26, 2024 and remain in place for approximately one week.