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ID: K10236
Stegocephalian amphibian on log, Pennsylvanian Coal Forest Diorama, Hall of Earth History [1969-1987]
ID: K10237
Plants, Pennsylvanian Coal Forest Diorama, Hall of Earth History [1969-1987]
ID: K10238
Stegocephalian amphibian under ferns, Pennsylvanian Coal Forest Diorama, Hall of Earth History [1969-1987]
ID: 16030
Inoculated and uninoculated field peas, Pennsylvania, photographed from book
ID: 273775
Mill Grove Mansion, home of Audubon, Pennsylvania, April, 1931
ID: 2A8790
Artifacts from Pennsylvania, Hall of Stone Age Culture, 1966
ID: 2A8791a
Artifacts from Canada and Pennsylvania, Hall of Stone Age Culture, 1966
ID: 2A8791
ID: ptc-6002
Sauripteris taylori, pectoral fin and shoulder girdle of extinct rhizodontid fish, Late Devonian of Blossburg, PA, approximately 375 million years old
ID: K10234
Pennsylvanian Coal Forest Diorama, Hall of Earth History
ID: K9745
Clavaria fusiformis in September, Pennsylvania