"Harbor Springs 1902 Shay Railroad. Man on left, A.C Stebbins, Man on right W.K. Prudden." Seems to be A C Stebbins' handwritting.
"Roland Stebbins 1902" in a different hand.
There is some confusion here. Whoever wrote "Roland Stebbins 1902" misspelled Rowland's name and Rowland was born in 1903, so either the child is not Rowland, or the photo is miss-labled.
Thanks to Kenyon Stebbins for this photo.