arid, unproductive saline earth; specifically, a tract of such soil lying some 40 miles northeast of Fort Smith, N.W.T.
- 1851  (1908)  These natural pans, or salt plains, he describes . . . as "bounded on the north and west by a ridge between six and seven hundred feet high."
- 1882  We proceeded on our stage to the salt plains in our new conveyance comfortably enough untill towards evening we met with a mishap which delayed us for some time.
- 1927  The weather was ideal while mosquitoes were numerous and attentive, especially on the Salt Plains. . . .