Channels are considered open drainage areas such as ditches, streams, and creeks.  If a channel cannot be defined or the flow line height is <1 foot, a null...
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN><SPAN>This line feature class represents the general location of all channels throughout the City of Raleigh.</SPAN></SPAN></P></DIV></DIV></DIV>
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