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M Creek M Creek, officially M (Yahoo) Creek,〔(BC Names/GeoBC entry "M (Yahoo) Creek" )〕〔(BC Names/GeoBC entry "M Creek (rescinded)" )〕 is a creek flowing southwest out of the Britannia Range and entering Howe Sound just north of Lions Bay, British Columbia, Canada. ==Description== The creek's steep catchment area of 3.3 km2, with headwaters at the 1720 m elevation, 300 m southeast of the summit of Brunswick Mountain. Diorite cliffs flank the course of the creek, between the 900m and 1200 m elevation, with the rocks of the basin part of the Gambier Group. Much of the creek's course is a bedrock canyon, with talus and rockslide debris notable in its upper course, especially on the south side. Prior to the washout of 1981, there had been no debris fan on the waterfront, afterwards the resulting debris fan was 14,100 sq m. The creek's basin was logged in the period 1957 to 1968, via a logging road via Magnesia Creek, with 38% of the creek's basin having been logged.〔(''Debris supply to torrent-prone channels on the east side of Howe Sound'', Bruce Ronald Dagg, UBC Master's thesis, 1981, p. 71 )〕
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