black - man made
green - vegetation over 6 feet
white - vegetation under 6 feet
blue - water
brown - contour lines
red - major roadways
purple - new additions
beam - the transverse measurement at a boat's widest part
bracing stroke - any of several paddle strokes providing stability against the capsizing force of a
lateral current; may also be used for turning
broaching - the turning boatside of a boat due to the action of different currents at bow and stern
channel - a canoeable route through a river section
chute - a channel through a gap or drop in a rapid, steeper and faster than the surrounding water