Mexican Duck (2021-012)

Contributing photographers indicated by (ph.)

Corroborating observers and additional sources:

Thomas A. Benson (ph.)

Cynthia Case (ph.)

Christine Jacobs (ph.)

Joshua Joun (ph.)

Jack Lindahl (ph.)

Guy McCaskie

Nancy J. Overholtz (ph.)

Nancy Salem (ph.)

Edana Salisbury (ph.)

Roger Schoedl (ph.)

Mark A. Singer (ph.)