settlementsettlement extensometersettlement observationsettlement of the foundationsettlersettlingsettling basinsettling ratiosettling tanksettling velocityseverancesewagesewage factorsewage systemsewage treatment plantsewarditesewersewer lineseweragesewerage systemsg or seaborgium or seaborgiumshabaiteshabyniteshackleshaded relief mapshadingshadluniteshadow sandshadow zoneshafranovskiteshaftshaft frictionshaft mineshaft seal or oil seal or oil sealshaft spillwayshahbazan formation or shahbazan or shahbazanshahkuh formation or shahkuh or shahkuh or shah kuhshahroud fault or shahroud or shahroud or mayamishakhovite or shahovite or shahoviteshaking tableshaleshale aggregateshale rocksshallow foundationshallow water fauna or swf or swfshallow wellshallowingshaly clayshanditeshank