Were is the "Smallest City Hall in the United States" in Maskell Neb. (population 70)

From The Road on 2/25/2020

At 10-feet by 10-feet -- or about the size of a large walk-in closet, local residents claim they have the nation's smallest city hall. And even though the diminutive hall is in disrepair, it's the only public building this tiny northeast Nebraska village can afford.

Were is the "Smallest City Hall in the United States" in  Maskell Neb. (population 70)