happy Pi Day…something to think about:
Copper Canyon, San Elijo, CA
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Recent Posts
- A Year of Recognition
- Living on Old Trails and Roads
- The Pollution of Viewsheds Hut by Hut
- Half Tau Day and Spring Again
- Grasshopper Geography
- John Muir on Hiking
- Nutrient Collapse
- Trail Advocate of the Year
- Real Time Satellite Imagery
- A Day in the Life of…
- IMBA’s Future
- Made in Taiwan
- Asian Long-Horned Tick
- Edward Burtynsky
- The White Silence
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