toccopola - with your current sight setting and shooting 1" high at 60 yds will probably have you high at 300. Remember, on average, your scope (line of sight) is about 1 - 1 1/2" above your bore. To be 1" high at 60 yards means that, for shooting purposes, your bore is pointed up at a relatively steep angle compared to your line of sight.
Ballistic charts are great but are only a good estimate. What you really need to do is actually shoot at 100, 200 and 300 yds to see where your point of impact is.