[104] This conclusion of ours is strengthened by the following statement of Gibbs, which we have already referred to: “Southward it [slavery] ceases, so far as my observation has gone, with the Siskiou Mountains, which divide Oregon from California.” (Gibbs, p. 188). [↑]
[105] Gatschet, pp. 59, 62; see also pp. 60, 16. [↑]
[107] Ibid., pp. 388, 381. [↑]