LinkML Common Metadata Elements and Terms	GOLD Ecosystem Classification	Source
https://w3id.org/linkml-common/ExtractiveIndustryProductType#OIL	https://w3id.org/gold.vocab/Oil	LOOM
https://w3id.org/linkml-common/WellType#OIL	https://w3id.org/gold.vocab/Oil	LOOM
https://w3id.org/linkml-common/ExtractiveIndustryProductType#SAND	https://w3id.org/gold.vocab/Sand	LOOM
https://w3id.org/linkml-common/ExtractiveIndustryProductType#METAL	https://w3id.org/gold.vocab/Metal	LOOM
https://w3id.org/linkml-common/Building	https://w3id.org/gold.vocab/Building	LOOM
https://w3id.org/linkml-common/WellType#WATER	https://w3id.org/gold.vocab/Water	LOOM
https://w3id.org/linkml-common/ExtractiveIndustryProductType#COAL	https://w3id.org/gold.vocab/Coal	LOOM
https://w3id.org/linkml-common/FossilFuelType#COAL	https://w3id.org/gold.vocab/Coal	LOOM