[10:2] Shinn, "Mining Camps." [10:3] Compare Thorpe, in _Annals American Academy of Political and Social Science_, September, 1891; Bryce, "American Commonwealth" (1888), ii, p. 689. [11:1] Loria, Analisi della Proprieta Capitalista, ii, p. 15. [11:2] Compare "Observations on the North American Land Company," London, 1796, pp. xv, 144; Logan, "History of Upper South Carolina," i, pp. 149-151; Turner, "Character and Influence of Indian Trade in Wisconsin," p. 18; Peck, "New Guide for Emigrants" (Boston, 1837), ch. iv; "Compendium Eleventh Census," i, p. xl. [12:1] See _post_, for illustrations of the political accompaniments of changed industrial conditions. [13:1] But Lewis and Clark were the first to explore the route from the Missouri to the Columbia. [14:1] "Narrative and Critical History of America," viii, p. 10; Sparks' "Washington Works," ix, pp. 303, 327; Logan, "History of Upper South Carolina," i; McDonald, "Life of Kenton," p. 72; Cong. Record, xxiii, p. 57. [15:1] On the effect of the fur trade in opening the routes of migration, see the author's "Character and Influence of the Indian Trade in Wisconsin." [16:1] Lodge, "English Colonies," p. 152 and citations; Logan, "Hist. of Upper South Carolina," i, p. 151. [16:2] Flint, "Recollections," p. 9. [16:3] See Monette, "Mississippi Valley," i, p. 344. [17:1] Coues', "Lewis and Clark's Expedition," i, pp. 2, 253-259; Benton, in Cong. Record, xxiii, p. 57. [17:2] Hehn, _Das Salz_ (Berlin, 1873). [17:3] Col. Records of N. C., v, p. 3. [17:4] Findley, "History of the Insurrection in the Four Western Counties of Pennsylvania in the Year 1794" (Philadelphia, 1796), p. 35. [19:1] Hale, "Daniel Boone" (pamphlet). [21:1] Compare Baily, "Tour in the Unsettled Parts of North America" (London, 1856), pp. 217-219, where a similar analysis is made for 1796. See also Collot, "Journey in North America" (Paris, 1826), p. 109; "Observations on the North American Land Company" (London, 1796), pp. xv, 144; Logan, "History of Upper South Carolina." [22:1] "Spotswood Papers," in Collections of Virginia Historical Society, i, ii. [23:1] [Burke], "European Settlements" (1765 ed.), ii, p. 200. [23:2] Everest, in "Wisconsin Historical Collections," xii, pp. 7 ff. [23:3] Weston, "Documents connected with History of South Carolina," p. 61. [25:1] See, for example, the speech of Clay, in the House of Representatives, January 30, 1824. [25:2] See the admirable monograph by Prof. H. B. Adams, "Maryland's Influence on the Land Cessions"; and also President Welling, in Papers American Historical Association, iii, p. 411. [26:1] Adams' Memoirs, ix, pp. 247, 248. [28:1] Author's article in _The Aegis_ (Madison, Wis.), November 4, 1892. [29:1] Compare Roosevelt, "Thomas Benton," ch. i. [30:1] _Political Science Quarterly_, ii, p. 457. Compare Sumner, "Alexander Hamilton," chs. ii-vii. [31:1] Compare Wilson, "Division and Reunion," pp. 15, 24.