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Updated August 25, 2012
Explore the ecology of a prairie river with some free resources from The Oklahoma Biological Survey:
- Life Along a Prairie River -Exploring the ecology of the wide and sandy rivers of the Great Plains. Free resources include a Prairie River poster by mail, a downloadable Educator’s Guide with activities and lesson plans to accompany the poster, and species profiles that can be viewed online or downloaded in PDF format. A free Crayfish of Oklahoma poster is also available on the poster order form. For middle school grade levels.
Please note: Posters are no longer free by mail -prices are:
- $5.00 for 1-3 posters
- $6.00 for 4-6 posters
- $9.00 for 7-10 posters
Posters may be picked up at no charge at:
For even more free educational resources, please check my educational freebies tag archive and my Free Homeschooling page.