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The labels can get ugly , but where the USGS topo maps do n't show a trail at all , the USFS line graphs add the trail * and * its name to your display . Chilkoot : An Adventure in Ecotourism is successful as a simple trail guide , and as a work with higher goals of displaying how good ecotourism practices are carried out . The Recreational Trails Program ( RTP ) encourages trail management practices to serve a wide variety of trail users , including equestrians . The museum was named after the Overland Trail stage route that branched off from the Oregon Trail in Nebraska and followed the south bank of the South Platte River through northeastern Colorado . In all cases a trailing zero can be added to a 3-digit category when no further distinction is possible .