{
  "asset_id": "M4627",
  "asset_name": "#1 Coal Mine (Knott County)",
  "asset_type": "Coal Mine",
  "operating_status": "operating",
  "operating_sub_status": "operating",
  "country": "United States",
  "state_province": "Kentucky",
  "latitude": 37.40617693,
  "longitude": -82.8827674495788,
  "capacity_value": null,
  "capacity_unit": "Mtpa",
  "wiki_url": "https://www.gem.wiki/1_Coal_Mine_(Knott_County)",
  "location_id": "M4627",
  "unit_id": null,
  "unit_name": null,
  "source_id": 10,
  "url": "/assets/M4627",
  "ownership_graph_url": "/ownership/graph?root=M4627&direction=up",
  "eventual_owners_url": "/owners?asset_id=M4627",
  "project_name": "#1 Coal Mine (Knott County)",
  "upstream_entity_count": 1,
  "coal_mine_fields": {
    "accuracy_rating": null,
    "cmm_emissions_co2e_100_years": "0.02",
    "cmm_emissions_co2e_20_years": "0.05",
    "capacity_mtpa": null,
    "closing_year": null,
    "coal_grade": null,
    "coal_output_annual_mst": "0.05",
    "coal_type": "Bituminous",
    "coalfield": null,
    "company_hqs": "USA",
    "complex_name": null,
    "country_area": "United States",
    "depth_accuracy": "Estimate",
    "gem_coal_mine_methane_emissions_estimate_m_tonnes_yr": "6.0E-4",
    "gem_coal_mine_methane_emissions_estimate_mcm_yr": "0.93",
    "gem_mine_id": "M4627",
    "gem_wiki_page_eng": "https://www.gem.wiki/1_Coal_Mine_(Knott_County)",
    "gem_wiki_page_non_eng": null,
    "gas-level_rating": null,
    "gas-level_rating_appraisal_year": null,
    "has_associated_cmm_mitigation_data": "N",
    "has_associated_plume_data": "N",
    "has_mine_boundary_and_methane_emissions_sources_data_": null,
    "iso_code": "840.0",
    "latitude": "37.40617693",
    "location": "Knott County",
    "location_non_eng": null,
    "location_accuracy": "Exact",
    "longitude": "-82.8827674495788",
    "msha_id": "1518793.0",
    "methane_emissions_factor": "1.6",
    "methane_gas_content_m_3_tonne": "12.1",
    "mine_depth_m": null,
    "mine_depth_m_2": "373.0",
    "mine_name": "#1 Coal Mine (Knott County)",
    "mine_name_non_eng": null,
    "mine_name_akas": null,
    "mine_site_status": null,
    "mine_size_km2": null,
    "mine_size_km2_2": null,
    "mine_type": "Underground",
    "mine_unit_type": null,
    "mine_boundary_and_methane_emissions_sources_data_available_": "N",
    "mining_method": null,
    "opening_year": "2004.0",
    "owners": "Adella Coal Inc",
    "owners_non_eng": null,
    "owners_gem_entity_id": "E100000131222",
    "parent_company": "Adella Coal Inc [100.0%]",
    "parent_gem_entity_id": "E100000131222 [100.0%]",
    "percentage_of_met_coal": null,
    "percentage_of_thermal_coal": null,
    "prefecture_district": null,
    "primary_consumer_destination": null,
    "primary_consumer_destination_gem_wiki": null,
    "primary_consumer_destination_name": null,
    "production_mtpa": "0.05",
    "project_phase": null,
    "project_type": null,
    "reason_for_closure": null,
    "reference_type": null,
    "region": "Americas",
    "reported_coal_mine_methane_emissions_thousand_tonnes_ch4": null,
    "reported_coal_mine_methane_emissions_thousand_tonnes_co2_equivalent": null,
    "reported_life_of_mine": null,
    "reported_year_of_mine_life": null,
    "reported_year_of_percentage_split": null,
    "reserve_to_production_ratio_r_p": "0.0",
    "source_id": null,
    "state_province": "Kentucky",
    "status": "Operating",
    "status_detail": null,
    "subregion": "Northern America",
    "total_reserves_proven_and_probable_mt": null,
    "total_resource_inferred_indicated_measured": null,
    "workforce_accuracy": "Exact",
    "workforce_size": "14.0",
    "year_of_production": "2025.0",
    "year_of_reported_coal_mine_methane_emissions": null,
    "year_of_total_reserves_recorded": null,
    "unit_name": null,
    "wiki_url": "https://www.gem.wiki/1_Coal_Mine_(Knott_County)"
  }
}