Salminen

Structural

Definitional or legal. No counterfactual.

• Located in: Finland · derived

Causal / evidential

Licenses a counterfactual. Confidence and identification (how the arrow was earned: statutory, forward-test, natural-experiment, or mechanism only) shown per edge.

• Receives discharge from: Terrafame mine (Sotkamo) (measured) · natural-experiment · derived