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1. The Penn State Obelisk

   Click thumbnail for full size image Tags:  Lithosphere ... "pile of rocks" was created the same year the College of Earth and Mineral Sciences (formerly the School of Mines) at The Pennsylvania ...

   Laura Guertin - Feb 23 2016 - 9:44am - 0 comments

2. Dinosaurs Unearthed

   Click thumbnail for full size image Tags:  Biosphere The Academy of Natural Sciences of Philadelphia has a new exhibit, Dinosaurs Unearthed , running from ... long neck of the Ruyangosaurus towers over the Art of Science Gallery. Inside the exhibit, get up close with a microraptor, a ...

   Laura Guertin - Feb 23 2016 - 9:44am - 0 comments

3. Citations

   ... presentations and publications relating to the Pennsylvania Earth Science Teachers Association (PAESTA). Publications Guertin, L. ...

   PAESTA Webmaster - Mar 21 2017 - 1:24pm

4. Pittsburgh's Mt. Washington

   Click thumbnail for full size image Tags:  Anthrosphere ...

   Gregory Collins - Feb 23 2016 - 9:44am - 0 comments

5. American Chestnut Foundation Nursery

   Click thumbnail for full size image Tags:  Biosphere ...

   Laura Guertin - Feb 23 2016 - 9:44am - 0 comments

6. A roaring run at Shingletown Gap

   Click thumbnail for full size image Tags:  Biosphere ...

   Laura Guertin - May 17 2017 - 3:21pm - 0 comments

7. Building stone geology of First National Bank

   Click thumbnail for full size image Tags:  Anthrosphere ...

   Laura Guertin - Jun 30 2016 - 6:23pm - 0 comments

8. Protecting the biosphere from the anthrosphere

   Click thumbnail for full size image Tags:  Anthrosphere ...

   Laura Guertin - Feb 23 2016 - 9:44am - 0 comments

9. Headwaters of Antes Creek at Nippenose Spring

   Click thumbnail for full size image Tags:  Hydrosphere ...

   Laura Guertin - Feb 23 2016 - 9:44am - 0 comments

10. Sunset with clouds

    Click thumbnail for full size image Tags:  Atmosphere ...

    Laura Guertin - Dec 28 2017 - 9:16am - 0 comments

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