muskeg swamp DCHP-1 (pre-1967)
1 n.
an organic bog which is a brown to black mixture of water and living and dead vegetation often covered with a carpet of sphagnum or other mosses and often of considerable depth.
See also: muskeg (def. 1)
2 n.
terrain made up of or characterized by such bogs.
See also: muskeg (def. 2)