I know a lot of people use virtual tabletops, especially in these quarantine days. Or just like to have something to show to the group. So I made players' maps for the two OD&D dungeons I published recently. These versions come without any text labels, and the traps and secret doors are masked. They probably don't line up perfectly with the 70px grids, but I'm sure you can get that to work... (oh, and the maps are on a 1 square = 10' scale).
You can get them here: