spongy land saturated or partially covered with watermuch of the county's swampland was drained for agriculture
much of the county's swampland was drained for agriculture
bog, fen, marsh, marshland, mire, moor, morass, muskeg, slough(also slew or slue), swamp, wash, wetland
swalequagmireguck(or gook), muck, mud, ooze, slime, slop, sludge, slush
in 1662
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