'A mountain range in the Northwestern United States, or some big waterfalls'
the Cascades
A, B, C, D THEN F: A mountain range in the Northwestern United States, or some big waterfalls
A mountain range in the Northwestern United States, or some big waterfalls
A mountain range in the Northwestern United States, or some big waterfalls
A, B, C, D THEN F
the Cascades
A, B, C, D THEN F