{
    "node": {
        "id": "rack_market:market-dubuque-ia",
        "entity_type": "rack_market",
        "entity_id": "market-dubuque-ia",
        "name": "Dubuque, IA",
        "city": "Dubuque",
        "state": "IA",
        "latitude": 42.4478515,
        "longitude": -90.76006,
        "status": "active",
        "products": [
            "gasoline_diesel",
            "biodiesel",
            "ethanol"
        ],
        "opis_code": 335,
        "opis_name": "Dubuque",
        "url": "https://thinkingonenergy.com/supply/market/market-dubuque-ia/",
        "provenance": {
            "origin": "research",
            "verification": "sourced",
            "last_modified": "2026-10-07T03:35:14-05:00",
            "publisher": "Thinking On Energy"
        }
    },
    "connections": [
        {
            "direction": "inbound",
            "other": {
                "id": "rack_terminal:magellan-pipeline-company-dubuque-ia",
                "entity_type": "rack_terminal",
                "name": "Magellan Pipeline Company",
                "city": "Dubuque",
                "state": "IA",
                "tcn_code": "T-42-IA-3460",
                "url": "https://thinkingonenergy.com/supply/terminal/T-42-IA-3460/",
                "json": "https://thinkingonenergy.com/supply/node/rack_terminal/magellan-pipeline-company-dubuque-ia.json"
            },
            "id": "edge:249e6c4a15a0528c",
            "from": "rack_terminal:magellan-pipeline-company-dubuque-ia",
            "to": "rack_market:market-dubuque-ia",
            "from_entity_type": "rack_terminal",
            "from_entity_id": "magellan-pipeline-company-dubuque-ia",
            "to_entity_type": "rack_market",
            "to_entity_id": "market-dubuque-ia",
            "relationship": "serves",
            "transport_mode": "truck_rack",
            "pipeline_system": "Magellan Midstream",
            "opis_code": 335,
            "method": "city_match",
            "edge_status": "active",
            "label": "serves by truck rack",
            "provenance": {
                "origin": "research",
                "verification": "sourced",
                "confidence": "high",
                "basis": "rack market mapping by city",
                "last_modified": "2026-10-07T03:35:14-05:00",
                "publisher": "Thinking On Energy"
            }
        },
        {
            "direction": "inbound",
            "other": {
                "id": "rack_terminal:bp-products-north-america-incorporated-dubuque-terminal-peosta-i",
                "entity_type": "rack_terminal",
                "name": "BP Products North America, Incorporated - Dubuque Terminal",
                "city": "Peosta",
                "state": "IA",
                "tcn_code": "T-42-IA-3458",
                "url": "https://thinkingonenergy.com/supply/terminal/T-42-IA-3458/",
                "json": "https://thinkingonenergy.com/supply/node/rack_terminal/bp-products-north-america-incorporated-dubuque-terminal-peosta-i.json"
            },
            "id": "edge:77aa368e41a8088e",
            "from": "rack_terminal:bp-products-north-america-incorporated-dubuque-terminal-peosta-i",
            "to": "rack_market:market-dubuque-ia",
            "from_entity_type": "rack_terminal",
            "from_entity_id": "bp-products-north-america-incorporated-dubuque-terminal-peosta-i",
            "to_entity_type": "rack_market",
            "to_entity_id": "market-dubuque-ia",
            "relationship": "serves",
            "transport_mode": "truck_rack",
            "pipeline_system": "BP Midwest Product Pipelines (Whiting-Dubuque)",
            "opis_code": 335,
            "method": "proximity",
            "edge_status": "active",
            "label": "serves by truck rack",
            "provenance": {
                "origin": "research",
                "verification": "sourced",
                "confidence": "medium",
                "basis": "rack market mapping by city",
                "last_modified": "2026-10-07T03:35:14-05:00",
                "publisher": "Thinking On Energy"
            }
        }
    ],
    "vocabulary": "https://thinkingonenergy.com/supply/vocab/",
    "generated_at": "2026-10-07T18:28:04+00:00",
    "citation": "Thinking On Energy, Supply Explorer, https://thinkingonenergy.com/supply/market/market-dubuque-ia/, accessed 2026-10-07."
}