DAVID THOMPSON. 153 



to the Flat Head Road and crossed to the House on Pend d' Oreille 

 Lake which he reached on October 3()th. 



On November 2nd he again set off up the river, and on November 

 9th peached a ])oint where he built a house in Lat. 47° 34' 35", Long. 

 115° 2"i' 51". He remained at this point till February 23rd, on 

 which date he left it to travel among the Indians, returning on March 

 6th. Setting off again immediately he journeyed on horse-back till 

 March 1 3th, when being a considerable distance up the Saleesh River 

 he embarked in a canoe and came down to the House, which he reach- 

 ed on the following day, making, as usual, as careful a survey as 

 possible of his route. He then remained here till March 24th, when 

 he again started down the river and the next day reached the " House 

 Road," where he remained till April 19th, when he embarked and 

 reached the House on Pend d'Oreille Lake on April 23rd. From 

 hei'e he crossed to the Kootanie R ver, asceniling which he reached 

 McGillivray's Poi'tage on June 6th, and descending the Columbia 

 reached the Mountain Poitage on June 16th. From here he crossed 

 to the Saskatchewan arriving at the Forks in the mountains, on the 

 19th, having left the men to come after with the pack-horses. 



Embarking in a canoe from here he soon passed the ruins of Fort 

 Augustus, which, since he left it in the |)revious July, had been des- 

 troyed by the Blackfeet, and on the next day reached White Mud 

 Brook House, where Mr. Henry was in charge foi- the N. W. Co. and 

 Mr. Hellet for the H.B. Co. This house Mppears to have been at the 

 mouth of White Earth River, a short distance below the present site 

 of Victoria. On July 4th he reached Cumberland House, and on 

 July 22nd Rainy Lake House. 



From this date to May 6th, 1812, no journal could be found in the 

 offices of the Crown Lands Department of Ontario, l>ut a long series 

 of astronomical observations is given from which his course has been 

 traced out as follows : — 



Having returned from the east he was at the site of Boggy Hall 

 on the Saskatchewan on Octcber 23rd of this year (1810). From 

 here he took a north-westerh' course across the country, being on 

 November 2nd in Lat. 53° 8' 3", Long. 115° 3' ; on November 13th, 



