  We re-analyze dijet production at hadron colliders (the Tevatron at Fermilab
and the Large Hadron Collider, LHC, at CERN), to determine the potential limits
on Planck mass in ADD type extra dimensional gravity scenarios. We try a
variety of experimental observables in order to maximize the exclusion limits;
we find that the $p_{_T}$, $p_{_T}^2$ and $\tau$ distributions give the highest
search limits, and these observables provide comparable reaches.
