"For this type of DDR, I use the John1 approach: if the DDR isn't the length of Lincoln's arm, it probably isn't worth keeping."
Well, it appears the doubling is bigger than Lincoln's arm.
Do you go by that approach because it's not worth much if the doubling is smaller than lincoln's arm, or because it's difficult to spot?
Well, it appears the doubling is bigger than Lincoln's arm.
Do you go by that approach because it's not worth much if the doubling is smaller than lincoln's arm, or because it's difficult to spot?























