[1.] Original had a superfluous "C" in the year of publication ("MDCCCCXXIV"); corrected to "MDCCCXXIV" (1824).
[2.] "Holy Lake" is inconsistent with the three occurrences in the text, which are all spelled "Holey Lake"; same in chapter [sub-header].
[3.] Added "à" missing in original in "Isle à la Crosse".
[4.] Symbol for seconds in original misprinted (56',); corrected to quotation mark (56").
[5.] Original used comma instead of decimal point; corrected to "39.5°".
[6.] Original had "were"; corrected to "where".
[7.] Original had "sienite"; changed to "syenite".
[8.] Original had "come"; corrected to "came".
[9.] Original had "tress"; corrected to "trees".
[10.] Original had "cosequence"; corrected to "consequence".