3 adjectives to describe muskegs

Close about the little settlement crept the balsams and spruce, the birch and poplar, behind which lurked vast dreary muskegs, a chaos of bowlder-splits, the forest.

She might be lost or tangled in the swampy muskeg.

Close about the little settlement crept the balsams and spruce, the birch and poplar, behind which lurked vast dreary muskegs, a chaos of bowlder-splits, the forest.

3 adjectives to describe  muskegs