Big Dig also used ground freezing. https://babelniche.com/2024/01/17/innovations-of-the-big-dig-2-slurry-jacking-freezing/ https://babelniche.com/2024/01/17/in

Big Dig also used ground freezing. https://babelniche.com/2024/01/17/innovations-of-the-big-dig-2-slurry-jacking-freezing/ https://babelniche.com/2024/01/17/innovations-of-the-big-dig... And the Erie Canal dig the sections through swampy ground in the winter. That was partially to avoid Malaria. Circa 1825