Footsteps in Curry County, Oregon

My brother, myself, and two other men were working at a cable logging site decking logs on Forest Service land N.N.E. of Brookings, OR. My brother (riggin' slinger) and one of the other fellows (hook tender) were working in the rigging. Myself (chaser) and the other fellow (yarder engineer) were working the landing. Communications between the landing and brush were via hand held walkie talkie. The guys in the brush spotted something moving across a prairie about 2500 ft. across the canyon from the yarder. They thought it might have been an elk but weren't sure. After telling the yarder engineer about it and asking what he thought it was, the engineer had me get a rifle w/scope out of the crummy so as to have a better look. Both the yarder engineer and I took turns looking at this creature through the rifle scope for approx. 15 minutes. We both came to the conclusion that the creature was not a bear, elk, deer or any of the commonly known big game animals that habit these woods around here. The creature was definitely walking upright and on two legs. It had broad shoulders, reddish brown coloured hair, and didn't seem to be in a big hurry gettin to where it was goin. I could see it's arms swinging as it walked and seemed to have a pointed or conical shaped head. I could't distinguish the facial features as it was just too far away. The creature was headed in a E.N.E. direction from us quartering up the hill across the prairie towards the ridge of the hill. We watched the creature until it disappeared over the ridge it was headed towards. On our way home after work we debated what the creature was and concluded that it was a bigfoot. The boys in the brush said that they had the feeling that they were being watched for a couple of days and the hook tender mentioned that he had heard noises like sticks breaking and something walking in the brush while he was working at his duties in the back end of the unit. At the time when he heard the noises he just passed it off as a bear or other game animal. He never mentioned anything of strange odours or the like.