03.26.2021 - By John Leeman and Shannon Dulin
Field Kit
Sokkia Notebook
Holster/Backpack
Handlens
Hammer
Belt
Pocket Transit
Gilson Grain Size Card
Acid Bottle
Pocket Knife
Pencils/Lead
Protractor Ruler Combo
Streak Plate
Mohs Picks
Fun Paper Friday
What can we learn about the Earth's magnetic field from tree rings?
Cooper, Alan, et al. "A global environmental crisis 42,000 years ago." Science 371.6531 (2021): 811-818.
Science Mag Article
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John Leeman
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Shannon Dulin
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