1865
Unknown, 1875
Unknown, 826
Unknown, 1898
Unknown, 175
Unknown, -499
Unknown, 1965
Unknown
Unknown, 1850
Unknown, 1924
Unknown, 1789
Unknown, 1896
Unknown, 1940
![[Oil Creek, Pennsylvania]](https://media.getty.edu/iiif/image/ffe4382a-68cc-40bc-afa4-edbec0e3ef47/full/843,/0/default.jpg)
![[Group of school children and teacher posed outside]](https://media.getty.edu/iiif/image/58b4dca8-3a64-48de-a85a-2c261ad62a58/full/843,/0/default.jpg)
![[Optical illusion]](https://media.getty.edu/iiif/image/adcb691d-4761-4172-9ef9-c66e9595ee1f/full/843,/0/default.jpg)
