The Otter Tail County, Minnesota website GIS Department page provides download access links for geospatial datasets. Datasets available include address points, parcels, boundaries, roads, and hydrology as well as other topic categories.
[Creator not found] (n.d.). Otter Tail County GIS Data Downloads. GIS Department. https://ottertailcountymn.us/content-page/gis-shapefile-downloads (website)