‘Red Lines on Maps’ Revisited: The Role of Maps in Negotiating and Defending the 1842 Webster-Ashburton Treaty

  title={‘Red Lines on Maps’ Revisited: The Role of Maps in Negotiating and Defending the 1842 Webster-Ashburton Treaty},
  author={John P. D. Dunbabin},
  journal={Imago Mundi},
  pages={39 - 61}
ABSTRACT Daniel Webster said it was knowledge of the Sparks and Steuben maps (both apparently confirming British border claims) that brought the state of Maine to concur in his 1842 treaty settlement with Lord Ashburton. His statement is well known, but most historians have felt inhibited by lack of evidence from examining the way in which Webster used the maps in the negotiation and from assessing the true extent (and limits) of their influence. Using a wider range of sources, the present… 
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Maps in the 1842 Webster
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Maps in the 1842 Webster-Ashburton Treaty 60
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  • 1842
(ibid., fols. 144, 161) 57. Shewmaker, Diplomatic Papers (see note 4), 781n. 58. Congressional Globe, 27th Congress, 3rd Session, Appendix, esp
1843), 4). In the event, Baker, who was by now middle-aged
331-32), quoting the later comments of 'one of the commissioners', and Grattan, Civilized America (see note 23), 1: 370, 395; Ashburton to Aberdeen
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