As per page 316 of the 1971 edition of Shooters Bible (#62):
25-20 Win. High Velocity Super-X 60 OPE:
Velocity; 2250/M, 1660/100, 1240/200, 1030/300
Engergy; 675/M, 365/100, 205/200, 140/300
'Hope that this information is what you were looking for.
Jeff