Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

FAQ Receber premium

Create a timeline

Public timelines

About & Feedback Acordo Privacidade FAQ

Cabinet Get premium

Donate

1 jan 1986 ano - Heron eggs found in Crofton, BC found to have high dioxin levels

Descrição:

part of Dr. Butler's PhD research (following survey done 1983)

Adicionado na linha do tempo:

wildlife tox timeline

ByAJ

28 dez 2021

0

0

553

Data:

1 jan 1986 ano

Agora

~ 39 years ago

About & Feedback Acordo Privacidade FAQ

Cabinet Get premium

Donate