*Valid September 30, 2024 - December 25, 2024 at Canadian stores and at indigo.ca, while quantities last, with $50.00 or more pre-tax purchase of eligible product(s), after discounts and plum points redemptions. Minimum purchase amount excludes gift cards, plum+ memberships, Love of Reading products/donations, and shipping costs. Selection may vary between stores and online.
Bulletin - United States Geological Survey, Issue 635/en-ca/bulletin---united-states-geological-survey-issue-635/5AF0A792-4F6C-4BEA-94D0-F395F5D6BF3E.html5AF0A792-4F6C-4BEA-94D0-F395F5D6BF3E
Bulletin - United States Geological Survey, Issue 635