clay soil mire muck silt dirt water sand swamp sludge plaster dirty begrime grime muddy subsoil slop slurry boulders topsoil debris rocks rubble puddles worm gravel marl snow pavement riverbed hillside floodwaters ditches lava frog boggy snail slime sandy sediment clam mixture crayfish geological daub slander masonry shale mudstone saur estuaries alluvium construction washed animal bemire colly mortar pig loam piles soaked brush pile submerged beneath dug digging dust roofs pit stucco trees flooded caked wet hillsides loess torrents roof huts dry sully bare shallow thick concrete blown filthy filled strewn soal soaking underneath covered bed ponds pits grind cracks