Elf Owl (2010-050)
Contributing photographers indicated by (ph.)
Initial observer(s):
Brian E. Small (ph.)
Corroborating observers and additional sources:
David A. Bell (ph.)
Thomas A. Benson (ph.)
Brian E. Daniels (ph.)
Todd Easterla (ph.)
Curtis A. Marantz
Chet McGaugh (ph.)
Frances Oliver (ph.)
John C. Sterling (ph.)