{
  "subject": "Galveston Seawall, Galveston, Texas",
  "summary": "A 10-mile concrete seawall on the Gulf side of Galveston Island, built after the September 8, 1900 hurricane that killed between 6,000 and 8,000 people in the city. The first 3.3 miles were completed in July 1904; the town behind it was raised about 16 feet.",
  "facts": [
    {"claim": "The 1900 Galveston hurricane killed between 6,000 and 8,000 people in the city.", "sourceUrl": "https://www.tshaonline.org/handbook/entries/galveston-hurricane-of-1900", "confidence": "high"},
    {"claim": "The seawall stands about 17 feet above the water.", "sourceUrl": "https://en.wikipedia.org/wiki/Galveston_Seawall", "confidence": "high"},
    {"claim": "The first 3.3 miles of the seawall were completed in July 1904.", "sourceUrl": "https://en.wikipedia.org/wiki/Galveston_Seawall", "confidence": "high"}
  ],
  "gaps": ["Exact modern repair and extension dates beyond the first segment were not verified.", "Death-toll estimates vary by source; the range is reported rather than a single figure."]
}