Columbia subject headings:
Clearwater National Forest (Idaho)
Lewis-Clark Highway (Idaho and Mont.)--Guidebooks.
Lochsa River (Idaho)
Scenic byways--Idaho.
Selway-Bitterroot Wilderness (Idaho and Mont.)
Wild and scenic rivers--Idaho.
Harvard subject headings:
Princeton subject headings:
Clearwater National Forest (Idaho)
Guidebooks.
Lewis-Clark Highway (Idaho and Mont.)--Guidebooks.
Scenic byways--Idaho.
Wild and scenic rivers--Idaho.