Wyatt and Virgil Earp, with Wyatt holding Virgils Granddaughter. The child is highly likely Maude Bertrand. I can tell you that whoever handed the kid to Wyatt is receiving one hell of a glare from him. Probably Allie made that move. The child looks pretty unhappy as well. 1/6 plate tintype, original image from the collection of P. W. Butler.
An 1877 view of Front Street, the busy main thoroughfare of Dodge City, Kansas, where Wyatt Earp served as a deputy marshal and as a Ford County deputy sheriff, and where John Henry "Doc" Holliday briefly practiced dentistry.