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 CHAPTER III.

RUNNING THE RAPIDS.

Before leaving the Grand Rapid several good photographs of it were obtained, and then on the morning of the 7th of June, bidding adieu to Inspector Howard, and leaving our supplies in the freighters' hands, we started down the river for Fort McMurray. The first object of special interest passed was a natural gas flow, occurring on the left bank about fifteen miles below the Rapid. At this place a considerable volume of gas is continually discharging, and may be seen bubbling up through the water over a considerable area, as well as escaping from rifts in the bank. The gas burns with a hot pale blue flame, and is said to be used at times by boatmen for cooking purposes. Eight or ten miles farther down stream came the Brûle Rapids, the first of the long series, and though they might easily have been run, we did not try it, as my brother wished to remain on shore for some time to collect fossils. Meanwhile our stuff was portaged, and without difficulty the empty canoes run down to the foot of the rapids, where camp was made. Just at this place commence the wonderful tar sand-beds of the Athabasca, extending over an enormous area. These certainly present a very striking appearance. During warm weather, in many places, the faces