| LC control no. | sh 85016086 |
|---|---|
| Topical heading | Boulders |
| Variant(s) | Bowlders Erratics, Glacial Glacial erratics |
| See also | Drift Rocks |
| Found in | Am. heritage dict. (boulder also bowlder: a large rounded mass of rock lying on the surface of the ground or embedded in the soil) |
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