I hear the call and I answer it!
My top three prog albums from 1970 are as follows:
1st
In The Wake Of Poseidon by King Crimson
2nd
Lizard by King Crimson
3rd
Trespass by Genesis
Sorry, no suprises here. I like Van Der Graff Generator's showing for that year (H to He),
and Pink Floyd's Atom Heart Mother has it's moments, but these three are
def what I would have been all over, had I not been about one-year-old in 1970!