Individual #West_USA  the region of the United States lying to the west of the Mississippi River
  instance of:  geographical_area
  location of:  Wild_West_USA
  part of:  USA
  part:  Santa_Fe_Trail  a trail that extends from Missouri to New Mexico; an important route for settlers moving west in the 19th century
  part:  Southwest_USA  the southwestern region of the United States
  part:  Northwest_USA  the northwestern region of the United States
     part:  Cascades__Cascade_Range  a mountain range in the northwestern United States extending through Washington and Oregon and northern California; a part of the Coast Range
        part:  Mount_Saint_Helens__Mount_St._Helens__Mt._St._Helens  an active volcano in the Cascade Range in southwestern Washington; erupted violently in 1980 after 123 years of inactivity
        part:  Mount_Adams__Adams  a mountain peak in southwestern Washington in the Cascade Range (12,307 feet high)
        part:  Mount_Ranier__Ranier__Mt._Ranier__Mount_Tacoma  a mountain peak in central Washington; highest peak in the Cascade Range; (14,410 feet high)

No statement uses or specializes West_USA; click here to add one.