Kamm, who had missed his previous 10 cuts, started quickly by sinking a 10-foot birdie putt on his first hole. After five straight pars, he birdied the seventh, after knocking his third shot to the par-5 within a foot of the hole.
He then birdied eight and nine each from 10-feet. He finished his first nine, which was the back side, at 4-under 31. Kamm, who teed off in the second group of the day, found the early morning cool temperatures to his liking.
'Cool weather is right up my alley,' said Kamm, who grew up in Rochester, NY. 'I've always enjoyed coming to this tournament. I love cold weather, so for me the colder the better.'
Kamm birdied the first and third, before his only slip of the round. He bogeyed the par-3 fourth after missing a 12-foot putt. Kamm responded by birdieing five and six, both from within in three feet, before parring his final three holes for an opening round 64.
'I haven't had many good days this year so it was about time,' said Kamm, whose last win came at the 1992 Buy.Com Panama City Beach Classic. 'The way I've been playing, it's kind of a surprise to shoot 7-under, but I've been there before.'
Meeks looked like he would tie Kamm for the lead, but he posted a pair of bogies on the back side to finish at 66. Buha and Gore, who claimed last week's Buy.Com Oregon Classic, each recorded four birdies on the front nine en route to tying Meeks for second place.
'Anytime you go around this course without a bogey, you are very happy,' said Buha. 'I played real solid today. I just want to stay patient the rest of the week, which is what this course demands.'
Barry Cheesman, Chad Wright, Jaxon Brigman, Joe Daley, Cliff Kresge, Omar Uresti, Mark Hensby and Dave Schreyer all finished at 4-under 67 and tied for fifth place.
Chip Beck, a four-time winner on the PGA Tour, heads a group of 13 players tied at 3-under 68. Kresge and Patrick Moore, who is among those tied at minus-3, join Arron Oberholser as the three players who could immediately gain their PGA Tour card this week. Oberholser stands at 2-under par.
Kresge, Moore and Oberholser have each won twice on the Buy.Com Tour this season. Three-time winners get the automatic Battlefield Promotion to the PGA Tour. Four players have previously gained this promotion - Chris Smith in 1997 and Heath Slocum, Chad Campbell and Pat Bates in 2001.
Last season's champion, Michael Long, gained his PGA Tour card as he finished in the top 15 on the Buy.Com Tour. Tjaart Van Der Walt, the 2001 runner-up, struggled to an opening round 5-over-par 76.
Full-field scores from the Boise Open