I resolved the ISBN printed on the reverse side. Took some trial and error (some 30 possible options unless you can read barely-visible EAN barcodes by sight) but there is a check digit so I didn’t have to search online for every combination.
Nope, it’s a regular topographic map you can buy for €8 or $10. They’re published by a government body and the data is freely available online, which you can use much like the OSM database.
I resolved the ISBN printed on the reverse side. Took some trial and error (some 30 possible options unless you can read barely-visible EAN barcodes by sight) but there is a check digit so I didn’t have to search online for every combination.
https://www.isbn.de/buch/9783832610234/l2546
Nope, it’s a regular topographic map you can buy for €8 or $10. They’re published by a government body and the data is freely available online, which you can use much like the OSM database.
You went above and beyond!