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V.M. Slipher, Emma Slipher, and Cree Family
V.M. Slipher with dinosaur track
C.O. Lampland, Edward Doe, and V.M. Slipher on the San Francisco Peaks
Sliphers and Lamplands in the Stevens Duryea (Big Red)
V.M. Slipher and Marcia Slipher
V.M. Slipher