NPS Groups, Naturalist Staff, L to R: Donald H. Curry, H. E. Bailey, Walter N. Powell, J. Donald Erskine.
SEKI Historic Image
NPS Groups, Naturalist Staff, L to R: Donald H. Curry, H. E. Bailey, Walter N. Powell, J. Donald Erskine.
National Park Service
Unknown Photographer, 340831, Bear Hill, SNP, NPS Groups, Naturalist Staff, L to R: Donald H. Curry, H. E. Bailey, Walter N. Powell, J. Donald Erskine.
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