Are you sure they aren't just lost/never-digitized/unlicensable/Occam's-razor/something-else?
Because, I mean: Historic Aerials[1] seems to cover that period pretty well, despite their resolutely awful user interface and extraordinary reluctance towards allowing useful links.
Are you sure they aren't just lost/never-digitized/unlicensable/Occam's-razor/something-else?
Because, I mean: Historic Aerials[1] seems to cover that period pretty well, despite their resolutely awful user interface and extraordinary reluctance towards allowing useful links.
[1]: https://www.historicaerials.com/