Stephensons and Robinsons in a Buggy

This was posted by emeraldwitch01 on Ancestry.com:

From right are:

R L Robinson, Ruth Stephenson, Roscoe H. Robinson, Lizzie Hardesty Stephenson holding baby (Mayme?), and Dolly Hardesty Robinson. 

The location was the 101 Ranch in Bliss,  Oklahoma, and the photo was taken in 1913.