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American Chestnut Foundation Nursery
Click thumbnail for full size image Tags: Biosphere ...
Laura Guertin - Feb 23 2016 - 9:44am - 0 comments
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A roaring run at Shingletown Gap
Click thumbnail for full size image Tags: Biosphere ...
Laura Guertin - May 17 2017 - 3:21pm - 0 comments
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Building stone geology of First National Bank
Click thumbnail for full size image Tags: Anthrosphere ...
Laura Guertin - Jun 30 2016 - 6:23pm - 0 comments
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Protecting the biosphere from the anthrosphere
Click thumbnail for full size image Tags: Anthrosphere ...
Laura Guertin - Feb 23 2016 - 9:44am - 0 comments
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Headwaters of Antes Creek at Nippenose Spring
Click thumbnail for full size image Tags: Hydrosphere ...
Laura Guertin - Feb 23 2016 - 9:44am - 0 comments
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Sunset with clouds
Click thumbnail for full size image Tags: Atmosphere ...
Laura Guertin - Dec 28 2017 - 9:16am - 0 comments
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Maple Sugaring at Tyler Arboretum
Click thumbnail for full size image Tags: Biosphere ...
Laura Guertin - Feb 23 2016 - 9:44am - 0 comments
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Rugosa Horn Coral Spotted SW of Pittsburgh International Airport Along North Fork Montour Run
Click thumbnail for full size image Tags: Biosphere ...
Dave Curry - Apr 19 2017 - 8:22am - 0 comments
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Centre Furnace Stack
Click thumbnail for full size image Tags: Anthrosphere ...
Laura Guertin - Feb 23 2016 - 9:44am - 0 comments
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Waterfall at Sycamore Mills Dam, Ridley Creek State Park
Click thumbnail for full size image Tags: Anthrosphere ... bisected by Ridley Creek, is only 16 miles from center city Philadelphia. Within the park boundaries was a small 18th century village, ...
Laura Guertin - Feb 23 2016 - 9:44am - 0 comments
