| The Columbia Encyclopedia, Sixth Edition. 2001-07. |
| |
| firth |
| |
| |
| or frith, Scottish term applied to an arm of the sea, usually an estuary or strait. For Firth of Clyde, see Clyde; for Firth of Forth, see Forth. |
| |
| | | The Columbia Encyclopedia, Sixth Edition. Copyright © 2007 Columbia University Press. |
|
|