I am just finishing a final round of a thirty cord project in a fairly inaccessible down slope. From this recent project come some information that were previous guesses, but now more fact. From past experiences my recorded weights. Green Pine weighs 4,500 and 6,200 per cord. Green Oak goes 5,000 to 7,800 per cord, but mostly at least 6,500. All wood has been cut 18'' and been split. I know exactly what each load weighed because I went through scales. Very dry Pine weighs 3,800 to 4,500. Dry Oak more consistent at 5,500 to 6,000. Now it does make a difference here on what percentage of smaller wood or limbs that is in the loads. What I some what wondered about was dry pine that was exposed to wet weather. We have had two months of very wet weather and the pine absorbed moisture like a sponge thus making the wood more heavy than if it was green. Thanks