peat bog

Here a peat-bog has encroached upon a fresh-water lake and has covered a mud bottom strewn with shells of pond-snails and mussels.

The gateway in the outer wall fronted a peat-bog, the shore of which was some ten feet distant.

The natural surroundings show that this fort was built when the peat-bog was a lake.

One day, coming home from his work at the peat bog, he found the elders snuffling and sighing over their afternoon meal.

Chat Moss is an immense peat bog of about twelve square miles in extent.