https://pure.seoultech.ac.kr/en/publications/%EC%8B%A4%EB%82%B4%EB%AA%A8%ED%98%95%EC%8B%9C%ED%97%98%EC%9D%84-%ED%86%B5%ED%95%9C-%EC%96%95%EC%9D%80-%EA%B8%B0%EC%B4%88-%ED%95%98%EB%B6%80%EC%97%90%EC%84%9C%ED%84%B0%EB%84%90%EA%B5%B4%EC%B0%A9-%EC%8B%9C-%EC%A7%80%ED%95%98%EC%88%98%EC%9C%84-%EC%9C%84%EC%B9%98%EC%97%90-%EB%94%B0%EB%A5%B8-%EC%A7%80%EB%B0%98%EA%B1%B0%EB%8F%99/
Ground behaviour according to ground water locations due to tunnelling below shallow foundation by...
according toshallow foundationgroundbehaviourwater
https://lrhs.org.au/snowy-brown-tom-urwins-shallow-ground
Snowy Brown & Tom Urwin's Shallow Ground — Lightning Ridge Historical Society
brown tomshallow groundlightning ridgehistorical societysnowy