{
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 "url": "https://data.terrapulse.info/dex/acidified_surface_water/2026-10-10.parquet",
 "latest_url": "https://data.terrapulse.info/dex/acidified_surface_water/latest.parquet",
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 "sources": [
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 "licence_basis": "US federal work - public domain by statute (17 U.S.C. 105).",
 "commercial_use": true,
 "cite": "TerraPulse (terrapulse.info) for the organizing; the sources above for the measurements, as their licence requires."
}