1
Fort Providence Behchokö Kakisa Yellowknife Ndilo G R E A T S L A V E L A K E North Arm Kakisa Lake Mills Lake Willow Lake M A C K E N Z I E R I V E R Hornell Lake H O R N P L A T E A U R a b b i t s k i n R i v e r H o r n R i v e r w l a k e R i v e r H o r n R i v e r Deep Bay 85L 85K 85J 85E 85F 85G 85D 85C 85B Sulphur Bay Gypsum Point Marian Lake Beaver Lake M a c k e nz i e Hwy . Ye l l owk ni f e Hwy . May 11, 2012 0 10 20 5 km ¼ Karst of the Horn Plateau and Gypsum Shorelines towards Yellowknife # 0 # 0 X W G F g ! ( ^ ` ^ ` ! ( Funnel-type sinkhole ! ( Suffosion sinkhole " ) Karst features points: Significance ranking of karst terrains: Established global - very significant Established global - Significant Significance not yet well established Unique landform Karst features lines: Groundwater Flow Connection Karstic Glacial Spillway Sinking Stream Karst features polygons: Closed depression draining underground Sinkholes clustered Sinkholes scattered Sinkholes widely scattered; may be some misidentification ! ! ! ! Lake or pond draining underground Suffosion sinkholes Felsenmeere surfaces Drape karst topography Piping pseudokarst Intersecting solutional corridors Solutional pavement ! ! ! ! Closed depression sinking stream Hydration ridge - karstic; no detail ! ( ! ( ! ( ! ( ! ( Karst pinnacle ridge River Sink Cave Karst Cave penetrable >= 10m Large Tor on Karst Rocks Waterfalls Unknown Sinkhole Exceptional Spring Icing Spring Alvar 1 : 250,000 NTS mapsheet grid and number 85C
