Assertion: national park | /r/MadeOf | the gateway arch
Facets:
Source sentences:
text: The national park consists of the Gateway Arch, a steel catenary arch that has become the definitive icon of St. Louis; a 91-acre (36.8 ha) park along the Mississippi River on the site of the earliest buildings of the city; the Old Courthouse, a former state and federal courthouse where the Dred Scott case originated; and the 140,000 sq ft (13,000 m2) museum at the Gateway Arch.