the assaults on the other sections of the russian line had also cost the japanese heavily, but with no results and no ground gained. when nogi finally called off his attempt to penetrate the wantai ravine on august 24, 1904, he had only 174 meter hill and the west and east pan-lung to show for his loss of more than 16,000 men. with all other positions remaining firmly under russian control, nogi at last decided to abandon frontal assaults in favor of a protracted siege.