Checking deck height

Looking for opinions from the engine builders.
I purchased a 1970 340 recently. .030 over, while checking deck height I found the following.
Checked using a deck bridge / dial indicator. All numbers are pistons above deck.
Planning on Cometic mls head gaskets and wanting to take advantage of optimal quench.
My question(s) are; are these normal numbers? would you leave it as is or mill the block?
Thank you for the advice. Feel free to add any information I may have not known to ask.

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