Pre-Excavation Grouting for the OARS Relief Sewer, Phase 2 Shafts and Adits, Columbus, Ohio

Spiteri, Lucian P. / Zeni, Alan / Nuhfer, Michael et al. | British Library Conference Proceedings | 2015

Cleaner Columbus - The OARS project forms the spine of a giant wastewater scheme

Online Contents | 2012

Columbus, Ohio

Asphalt Institute | UB Braunschweig | 1931

Insurer revives Columbus, Ohio

British Library Online Contents | 2000

Refuse collection in Columbus, Ohio

Stribling, E.W. | Engineering Index Backfile | 1912