{
  "title": "Heritage Resilience Ledger",
  "author": "Amy Coates",
  "location": "New Braunfels, Texas",
  "description": "A protocol pairing elder survival coordinates with Comal River flood physics. Each entry contains oral history, geospatial data, and hydrological verification.",
  "entries": [
    {
      "id": "schmidt-1935",
      "elder_name": "Heinrich Schmidt",
      "birth_death": "1892–1978",
      "coordinates": {
        "latitude": 29.7058,
        "longitude": -98.1234,
        "datum": "WGS84"
      },
      "event_date": "1935-03-14",
      "peak_rise_ft": 7.2,
      "survival_threshold_ft": 7.8,
      "clearance_ft": 0.6,
      "rainfall_input_inches": 8.4,
      "recession_hours": 6.5,
      "verification_source": "https://waterdata.usgs.gov/tx/nwis/uv?site_no=08235500",
      "oral_history_archive": "New Braunfels Historical Society, Martha Schmidt recording (1962)",
      "survey_plat_reference": "City Archives Box 47"
    },
    {
      "id": "flores-1998",
      "elder_name": "Maria Flores",
      "birth_death": "1901–1989",
      "coordinates": {
        "latitude": 29.7042,
        "longitude": -98.1256,
        "datum": "WGS84"
      },
      "event_date": "1998-07-03",
      "peak_rise_ft": 5.4,
      "survival_threshold_ft": 6.1,
      "clearance_ft": 0.7,
      "rainfall_input_inches": 5.8,
      "recession_hours": 4.2,
      "verification_source": "https://www.wikidata.org/entity/Q6312080",
      "oral_history_archive": "Flores family quilt documentation (1989)",
      "survey_reference": "1998 FEMA floodplain survey"
    },
    {
      "id": "cobbler-keeper-unknown",
      "elder_name": "The Cobbler Keeper",
      "birth_death": "circa 1920",
      "coordinates": {
        "latitude": 29.7065,
        "longitude": -98.1221,
        "datum": "WGS84"
      },
      "event_date": null,
      "peak_rise_ft": null,
      "survival_threshold_ft": 4.5,
      "clearance_ft": null,
      "rainfall_input_inches": null,
      "recession_hours": null,
      "coefficient_alpha": 0.047,
      "verification_source": "Oral tradition, New Braunfels Heritage Festival (1989)",
      "excavation_reference": "Bakery ruin excavation (2012)",
      "recipe_link": "/rosemary-cobbler-archive.html"
    }
  ],
  "hydrology_constants": {
    "alpha_aquifer_response": 0.047,
    "beta_base_recession": 0.12,
    "efficiency_factor": 0.85,
    "flood_threshold_bench_ft": 3.2,
    "units": {
      "alpha": "ft per inch of rainfall",
      "beta": "ft per hour",
      "elevations": "feet above mean low water"
    }
  },
  "related_works": [
    {
      "title": "Comal Floodline Predictor",
      "url": "/comal-flood-predictor.html",
      "purpose": "Interactive calculation tool using same constants"
    },
    {
      "title": "Rosemary Cobbler Archive",
      "url": "/rosemary-cobbler-archive.html",
      "purpose": "Recipe preservation as cultural resilience"
    },
    {
      "title": "Comal Heritage Map",
      "url": "/comal-heritage-map.html",
      "purpose": "Geospatial visualization of all survival points"
    }
  ],
  "machine_readable_note": "This JSON twin is designed for agent consumption. All coordinates are WGS84. Null values indicate oral tradition without quantitative measurement. Cross-reference with USGS station 08235500 for live validation."
}