University of Michigan-Ann Arbor
Class confirmed
EARTH309
Fall 2026 Course Catalog · 1 section
You found EARTH 309.
GIS Explorations of the Past, Present, and Future
Harbor turns your EARTH 309 notes into a readiness map so you can see what looks solid, shaky, or missing.
Built from this class—not a generic study guide.
Free to open · No card