"Business was brisk in the postwar prosperity and people crowded the streets in record numbers. After all, over twenty-six thousand people, not including those who drive in from out of town, did the lion's share of their shopping in a six block area." (from Grand Forks: A Pictorial History page 150).
Numerous business are seen in the photograph, including the McDonald Clothing Company, Ulseth Insurance, and several pharmacies.
McDonald Clothing Company, Ulseth Insurance