Cite
United States. Department of Agriculture. (n.d.). Aerial Photography [Wisconsin--Calumet County] {1938}. https://maps.sco.wisc.edu/WHAIFinder/ (imagery)
Available from: https://geo.btaa.org/catalog/49e39ea9-3bb9-4665-bd4d-b7b1f0b9af51
United States. Department of Agriculture. (n.d.). Aerial Photography [Wisconsin--Calumet County] {1938}. https://maps.sco.wisc.edu/WHAIFinder/ (imagery)
Available from: https://geo.btaa.org/catalog/49e39ea9-3bb9-4665-bd4d-b7b1f0b9af51