000 00419pam a2200133a 44500
082 _aUSBM
_bRI-7553
100 _a
245 1 _aA THREE-DIMENSIONAL DYNAMIC PROGRAMING METHOD FOR OPTIMAL ULTIMATE OPEN PIT DESIGN
260 _a
_bU. S. Dept. Of The Interior, Bureau Of Mines, [S. L.]
_c1971
300 _a25
500 _aBound With Usbm Ri-7551-7552,7554-7570,Lack No. 7565
964 _gCIRC
997 _aTR15226 C
999 _c400098
_d400098