{
  "schema": "evercraft.hidden-world.evidence-ledger.v1",
  "site_id": "yakima-historic-downtown",
  "assembled_at": "2026-11-04",
  "scope": "Historical research anchors only; no surveyed geometries or private access coordinates.",
  "release_policy": {
    "no_below_grade_route_publication_without_owner_permission": true,
    "no_inferred_underground_connections": true,
    "geometry_requires_measured_primary_evidence": true,
    "license_required_for_embedded_archival_images": true
  },
  "records": [
    {
      "id": "yk-lund-building",
      "kind": "documented_building",
      "name": "Lund Building",
      "date_span": "1898–1899",
      "place_label": "5 N. Front Street, Yakima",
      "evidence_tier": "official_historic_register",
      "claim": "Historic Lund Building at the North Front Street and East Yakima Avenue corner, with late nineteenth-century construction.",
      "source_url": "https://npgallery.nps.gov/AssetDetail/NRIS/83004276",
      "source_label": "NPS National Register, 83004276",
      "unknown": "Exact footprint at each modeled year, individual cellar layout and below-grade links.",
      "geometry_verified": false,
      "connected_tunnel_verified": false,
      "recorded_coordinates": null,
      "model_status": "evidence_reference_only",
      "documented_architecture": {
        "source_url": "https://npgallery.nps.gov/GetAsset/34270517-7a19-422d-a0a6-3070adf1befa",
        "source_type": "1983 National Register nomination, section 7 description and section 8 significance",
        "facts": [
          "1898–1899 construction, local stone, two-story structure.",
          "Original 1899 Alfalfa Saloon used the southwest corner entrance with both floors truncated at the corner.",
          "Circa 1910 retail conversion introduced plate-glass storefronts; upper story retained truncated corner.",
          "Second-floor windows described as segmentally arched.",
          "First-floor ceiling described as fourteen feet high.",
          "Metal marquee added to Yakima Avenue elevation in the 1920s.",
          "1983 nomination states building interior connected to two adjacent buildings by doorways."
        ],
        "inference_limits": [
          "1983 doorway connections were not identified as below ground.",
          "The document does not establish which adjacent buildings, or date/location of these connections.",
          "No surveyed historical elevation, footprint or underground tunnel alignment is supplied."
        ],
        "period_model_url": "lund-building.html",
        "feature_status": "architectural_features_documented_model_proportions_interpretive"
      }
    },
    {
      "id": "yk-capitol-theatre",
      "kind": "documented_building",
      "name": "Capitol Theatre",
      "date_span": "1920",
      "place_label": "9 S. Third Street, Yakima",
      "evidence_tier": "municipal_register",
      "claim": "Yakima's Capitol Theatre opened in 1920 at 9 South Third Street.",
      "source_url": "https://www.yakimawa.gov/services/historic-preservation-commission/yakima-register-of-historic-places/",
      "source_label": "City of Yakima local register",
      "unknown": "Historical basement layout or connections to other buildings.",
      "geometry_verified": false,
      "connected_tunnel_verified": false,
      "recorded_coordinates": null,
      "model_status": "evidence_reference_only"
    },
    {
      "id": "yk-up-freight",
      "kind": "documented_building",
      "name": "Union Pacific Freight Building",
      "date_span": "1923–1924",
      "place_label": "104 W. Yakima Avenue, Yakima",
      "evidence_tier": "municipal_register",
      "claim": "Union Pacific's listed freight building was built in 1923–1924 at 104 West Yakima Avenue.",
      "source_url": "https://www.yakimawa.gov/services/historic-preservation-commission/yakima-register-of-historic-places/",
      "source_label": "City of Yakima local register",
      "unknown": "Any subterranean connections or measured period geometry.",
      "geometry_verified": false,
      "connected_tunnel_verified": false,
      "recorded_coordinates": null,
      "model_status": "evidence_reference_only"
    },
    {
      "id": "yk-eastward-avenue-postcard",
      "kind": "archival_photograph",
      "name": "Yakima Avenue looking east",
      "date_span": "1905–1915",
      "place_label": "View east from railroad tracks, North Yakima",
      "evidence_tier": "primary_archival_image",
      "claim": "F. H. Newell postcard documents an eastward view of Yakima Avenue within a decade-wide date window.",
      "source_url": "https://lange.spokanelibrary.org/items/show/5659",
      "source_label": "Spokane Public Library, Postcard Collection",
      "unknown": "Exact camera position, exact exposure year, property-level dimensions and underground spaces.",
      "geometry_verified": false,
      "connected_tunnel_verified": false,
      "recorded_coordinates": null,
      "model_status": "evidence_reference_only"
    },
    {
      "id": "yk-tunnels-book",
      "kind": "reported_underground_history",
      "name": "Historical tunnels mentioned in local history",
      "date_span": "2018 publication",
      "place_label": "Yakima, no verified underground path coordinates",
      "evidence_tier": "secondary_history",
      "claim": "The published description of Ellen Allmendinger's Hidden History of Yakima mentions underground tunnels.",
      "source_url": "https://books.google.com/books/about/Hidden_History_of_Yakima.html?id=Dj9vDwAAQBAJ",
      "source_label": "Hidden History of Yakima bibliographic listing",
      "unknown": "Which buildings or parcels are involved, whether passages connect, what survives, and what can legally be accessed.",
      "geometry_verified": false,
      "connected_tunnel_verified": false,
      "recorded_coordinates": null,
      "model_status": "evidence_reference_only"
    },
    {
      "id": "yk-archive-drawings",
      "kind": "research_lead",
      "name": "Sundquist architectural archive",
      "date_span": "circa 1900–1960s records",
      "place_label": "Yakima Valley Museum",
      "evidence_tier": "archive_inventory",
      "claim": "The Yakima Valley Museum reports substantial local architectural drawings and records in its research archive.",
      "source_url": "https://yvmuseum.org/news/our-library-archives",
      "source_label": "Yakima Valley Museum archive inventory",
      "unknown": "No individual basement plans or underground alignment have been reviewed or obtained in this project.",
      "geometry_verified": false,
      "connected_tunnel_verified": false,
      "recorded_coordinates": null,
      "model_status": "evidence_reference_only"
    },
    {
      "id": "yk-sanborn-guide",
      "kind": "research_lead",
      "name": "Sanborn map research",
      "date_span": "historic Yakima maps",
      "place_label": "Yakima Valley Libraries",
      "evidence_tier": "archive_guide",
      "claim": "Sanborn fire insurance maps provide building footprint, use, material and block-level research information.",
      "source_url": "https://www.yvl.org/services/special-collections-and-archive-services/maps-and-atlases/",
      "source_label": "Yakima Valley Libraries map and atlas guide",
      "unknown": "No measured multi-building tunnel network has been established from these maps.",
      "geometry_verified": false,
      "connected_tunnel_verified": false,
      "recorded_coordinates": null,
      "model_status": "evidence_reference_only"
    }
  ],
  "last_enriched_at": "2026-11-09"
}