acres alluvion alluvium arable land base basement basis bearing wall bed bedding bedrock carpet clay clod cover crust deck dirt dry land dust earth floor floor covering flooring fond footing foundation freehold fundament fundamental glebe grassland ground grounds groundwork hardpan land landholdings lithosphere marginal land marl mold parquet pave pavement paving principle radical real estate real property region regolith riprap rock bottom rudiment seat sill sod soil solid ground solid rock stereobate stylobate subaerial deposit subsoil substratum substruction substructure surfacing terra terrain territory the country topsoil underbuilding undercarriage undergirding underpinning understruction understructure woodland