ScottBall_vista-ridge-pipeline-drilling-hole-excavation-boring-3-11-2019-3

A Robbins tunnel boring machine will do the majority of the digging for the project.

A Robbins tunnel-boring machine will do the majority of the digging for the Central Water Integration Pipeline project. Credit: Scott Ball / San Antonio Report

A Robbins tunnel boring machine will do the majority of the digging for the project.