Three Lock Haven University athletes, all who are competing for the United States at the 2001 Women's World Championships in Sofia, Bulgaria, Nov. 22-25, have earned No. 1 individual rankings in the most recent TheMat.com  U.S. Women's Wrestling College Rankings.    Earning top rankings this month for Lock Haven are freshman Erin Tomeo at 123 pounds, senior Sara McMann at 136.5 pounds and freshman Jenna Pavlik at 165.25 pounds.    Within the past month, Tomeo won a Special Wrestle-off for the U.S. Women's World Team at her weight class. Pavlik claimed the gold medal at the Sunkist Kids International Open, and was awarded the U.S. Women's World Team spot when a Special Wrestle-off with Melani Macari-Montierth of Missouri Valley College was cancelled due to an injury to Macari-Montierth. McMann claimed a gold medal at the Sunkist Kids International Open, as well.    Missouri Valley College maintains its No. 1 ranking as a team, followed by Lock Haven, UM-Morris, Pacific and Cumberland College. The Vikings feature a No. 1 ranked athlete, junior Clarissa Chun at 101.25 pounds.    The other top-ranked wrestlers are Stanford senior Patricia Miranda at 112.25 pounds and Cumberland College freshman Toccara Montgomery at 149.75 pounds. Montgomery is also a member of the 2001 Women's World Team competing this weekend in Bulgaria.    Complete individual and team rankings are posted on TheMat.com, in the rankings section.    TheMat.com U.S. College Women's Wrestling rankings will be published monthly on the following dates: Oct. 20, Nov. 20, Dec. 20, Jan. 20, Feb. 20, March 20, April 20, May 20.    Teams who are considered for ranking include both college varsity programs and college-affiliated club programs.    Athletes who are considered for ranking are eligible full-time college students, and are members of their college women's varsity or club program, or a member of their college men's wrestling team.     TheMat.com has created a composite schedule for women's college wrestling, which includes events from the U.S. and Canadian programs. Results from these events will be posted on a regular basis throughout the season.