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A Rock Covered with Lichen Thalli

A Rock Covered with Lichen Thalli

This rock appears to be covered with small lichen thalli.
Galleries: Allegheny Portage Railroad, Lichens
Keywords: allegheny portage railroad, gallitzin, lichen, lichen thalli, lichens on rocks, pennsylvania
Photo Location: Allegheny Portage Railroad National Historic Site, Pennsylvania
Photographer: Dr. Roy Winkelman
Date of Photo: 11/25/2011
Device Make: Canon
Device Model: Canon EOS 5D Mark II
Original Dimensions: 5616×3744
Picture Orientation: Landscape
GPS Coordinates: 40°27'26.33"N 78°32'57.61"W
Picture Number: 15859