Mariposa County, CA Underwater Utility Directional Bore California Directional Boring provides Mariposa County, CA with underground and underwater utility infrastructure construction services via Horizontal Auger Boring, Tunneling and Horizontal Directional Boring (HDD) more commonly called Directional Boring. We provide underground utility construction services specializing in the underground boring of utility pipelines for electric power, solar, … Continue reading Mariposa County, CA Directional Boring Contractor