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@Showroom7561 while it doesn’t look good (multiple orgs claiming rights in the imagery), I would suggest contacting the e-mail here https://maps.durham.ca/arcgis/rest/services/Cached_Basemaps/DurhamImage_UTM/MapServer and asking if they would be prepared to allow OSM access for tracing, the details would have to be hashed out naturally.
@Showroom7561 the two Esri imagery sources are the ones defined here https://github.com/osmlab/editor-layer-index/tree/gh-pages/sources/world