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Background information on fishes and fishing in Yosemite
A summary of winter ecology information from the book "Winter: An Ecological Handbook" by James Halfpenny.
Doing Grinnell journaling? Learn more about Joseph Grinnell's work by reading this 1924 book (now online) that he co-wrote with Tracy Storer.
This handbook walks you through the process of facilitating your students' open inquiry investigations. It includes strategies and ideas for observation, asking questions, data collection, and presentation.
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