. << bob vollmer has just about seen it all... ... but he sees it from a different perspective. "i'm leveling this up with my controller on it." he has surveyed nearly every inch of o'bannon woods state park in his capacity with the indiana department of natural resources. / bob vollmer / surveyor: "this is strictly a one man operation." it used to be a two- or three-man operation but technology has changed quite a bit over the span of his 55 years with the department. he does put out a few reminders to keep his mind sharp like the "dummy, get the battery" note on the dashboard. "it's pretty disgusting to drive 40 or 50 miles and no battery." the job requires staying up to date with the latest technology, which is no small feat. "you just turned 98. is that right?" "i'm getting close to 99." that makes him the oldest state employee in indiana and most likely the oldest state employee in america which has not gone entirely unnoticed. "one of my great grandsons asked his mother the other day if i knew adam and eve. i couldn't believe it. i know i am old, but i didn't know adam and