Earth chapter 7: GEOLOGIC HISTORY OF THE ST. CROIX RIVER and SPRING BEES

Geologic History of the St. Croix River with Jim Almendinger, Ph.D., Executive Director, St. Croix Watershed Research Station and Early Spring Bees with Heather Holm, Biologist, Author. Presented by Pollinator Friendly Alliance as part of an ecology and conservation webinar series, Earth Chapters.