If it's that crucial to have a "CD", just burn the fuckers from the LPs and be done with it.
And the see how many times you listen to it.
Vinyl is not going to be around forever, and CDs won't be here to save the day. If you care at all about the future, hope that somebody somewhere is going to be around to offer hi-res files to people to fill the vacuum, or else we'll all be stuck with Spotify or it's successors.
This is niche music as it is. Imagine wanting to hear Hipnosis 50 years from now. Better get hoped it gets used in a commercial or a zombie movie...
You can probably also be thankful to Donald Byrd, Bobbi Humphrey. et al for creating the capital to allow the vaults to be opened in the first place!