Primary Election Map by Congressional District

[mrgrieves82]

This is very late and I didn't make it, but I found a map of what you were looking for by accident, and I remembered this post. 

[img missing!]

I think this is how you make an image but if not, here is the url

[snip]

This link is now dead...

I wonder if you ever finished this map?

Quite curious to see how the 2016 primary results relate to the 2018 primaries...