I saved myself some headache and paid $30 for a online subscrition with all loads
this is off 7th edition hornady
Warning! Notes: rifle: Winchester 70; barrel: 22 inch; 1 in 10 inch Twist; case: Hornady/Frontier; primer: Winchester WLR; bullet diameter: 0.284 inch; maximum C.O.L: 3.065 inches; max. case length: 2.235 inches; case trim length: 2.225 inches
154 Hornady IB, SP, SST or RN IMR IMR-4350 37.9 2,100
154 Hornady IB, SP, SST or RN IMR IMR-4350 39.8 2,200
154 Hornady IB, SP, SST or RN IMR IMR-4350 41.6 2,300
154 Hornady IB, SP, SST or RN IMR IMR-4350 43.4 2,400
154 Hornady IB, SP, SST or RN Alliant RL-19 41.5 2,100
154 Hornady IB, SP, SST or RN Alliant RL-19 43.1 2,200
154 Hornady IB, SP, SST or RN Alliant RL-19 44.8 2,300
154 Hornady IB, SP, SST or RN Alliant RL-19 46.4 2,400
154 Hornady IB, SP, SST or RN Alliant RL-19 48.0 2,500