WSA - Stream Centreline Network (50,000)

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Stream Centreline Network derived from 1:50,000 scale mapping. Each stream channel is represented by one or more line segments. Based on the 1:50,000 scale Canadian National Topographic Series of Maps.

WSA - The Major Drainage Regions of BC (50,000)

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The Nine Major Drainage Areas of BC based on the 1:50,000 scale Canadian National Topographic Series of Maps.

WSA - BC Watershed Groups (50,000)

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The 246 Watershed Groups of BC based on the 1:50,000 scale Canadian National Topographic Series of Maps.

WSA - Aquatic Features (50,000)

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Aquatic Features including Falls, Cascades and springs based on the 1:50,000 scale Canadian National Topographic Series of Maps.

WSA - Water Polygon Features (50,000)

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One of the spatial views of the BC WATERSHED ATLAS 50K, which is the digital basemap representation of the aquatic Man-made waterbodies, Wetlands and Double-line Rivers based on the 1:50,000 scale Canadian National Topographic Series of Maps.

WSA - Third-Order and Greater Watersheds (50,000)

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Watershed polygons of Third Order and greater based on the Strahler Stream Order classification method and the 1:50,000 scale Canadian National Topographic Series of maps.

WSA - The Major Watershed Code Numbers of BC (50,000)

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Watershed polygons representing the Major Watershed Code Numbers of BC. Based on the 1:50,000 scale Canadian National Topographic Series of Maps.

Freshwater Atlas Stream Directions

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Points with rotations that indicate downstream flow direction. Can be displayed with arrow symbols to show flow direction. There is one point at the upstream end for each stream network feature

BC Macro-Reaches (50,000)

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Stream Macro-Reaches delineated through interpretation of Topographic features from the 1:50,000 scale Canadian National Topographic Series of Maps.

WSA - Water Feature Annotation (50,000)

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Hydrographic Annotation based on the 1:50,000 scale Canadian National Topographic Series of Maps.