DCHP-1 Online
beaver prairie 
a meadow, often swampy, lying behind an old beaver dam and prized by early settlers for its fertility.
See also: beaver meadow
- 1937 Then the farmer calls the corner of his field in which this [a gnawed stick] is found a "beaver prairie", and is happy, knowing that the rich silt dropped there in the still waters. . . .
- 1937 Then the farmer calls the corner of his field in which this [a gnawed stick] is found a "beaver prairie", and is happy, knowing that the rich silt dropped there in the still waters. . . .