UncleNorby

Something is not right! You cannot be "sighted in" at 100 AND 250.

The bullet MUST cross the line of sight at around 20 - 25 yds or so, and then be HIGH of the line of sight all the way to the zero range. For a 30/06 that should be around 225 - 250 yds. After that point, the bullet will be low of the line of sight. Therefore, the bullet will ONLY be low of the line of sight between the muzzle and 25 yds (a max of 2.5 inches and that is right at the muzzle), and beyond the zero range (250 yds or so).

I have to guess at your scope height relative to the bore of the gun, but I'm assuming 2.5". Also assuming 2700 fps for your 180 gr bullet, which may be a little high but not enough to matter.

Here are the ballisticcs you should get:

50 yds = 0.8" HIGH
100 yds = 2.8" HIGH
150 yds = 3.5" HIGH
200 yds = 2.6" HIGH
250 yds = 0
300 yds = 4.3" LOW

If your gun is actually hitting 3-4" low at 35 yds, you'll be way, way, way low at 100 yds. Forget about 200 - 300.

Based on what you are saying about "hold over at close range" you are missing the concept completely. The gun should be sighted in so that hold over is only required beyond maximum point blank range, which in the case I've provided would be about 275 yds. For any shot between 0 and 275 yds, aim dead on and shoot. You'll never be more than about 3" high or low. I can't tell you what to do, but holding over 3-4" at 35 yds makes no sense.