Years ago-back in the late 70's, I did a bunch of increment borings of white cedar all over this neck of the woods, but that data is hopelessly lost. I was comparing site index to soil pH, as white cedar is a known calciphile. But again, sorry to say, I didn't do a very good job of retaining that info.
Dolomitic limestone appears to be key for top-notch white cedar development. So, that type of limestone forms the bedrock of such places as Door County WI, the Bruce Peninsula in S. Ontario, the lands around Niagara Falls, etc. The tree will grow in sandy, acid soil areas too, but is at its best in neutral, limestone regions.