The photo is of my great grandfather, great grandmother and family. The little girl between mom & dad looks to be four years old or so (she was my mom's favorite aunt and they were more like cousins. She was born in 1924, so the photo was about 1928. I'm pretty sure they were farming in Potlatch, Idaho in 1928 having come down from Canada a couple years earlier.
Can you help figure out the car in the photo? It's not a Model A because they never used wood wheels. Here are some opinions from friends on another site:
1) Dodge or similar make - look at the beltline on the sid