This is such an unusual Lange photo. The people look -if not prosperous- well dressed, not in transit, not in trouble, not oppressed by The Depression.

Also, the women are sitting. It also shows a lack of real interaction between the photographer and subject. Lange asked, it appears, if it was OK to take the photograph, they, reluctantly (I think) said yes, and her husband (I think), just off camera left, does not leave the scene, protectively.

More importantly, what was Lange doing?