Additional nomographs are provided for {HEAD ~ the determination} of slope, {TAIL ~ i.e. difference} in elevation between the firearm and the target, and density altitude 
of
Additional nomographs are provided for { HEAD ~ the determination } of slope , { TAIL ~ i.e. difference } in elevation between the firearm and the target , and density altitude
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH