OSB Congregation Visitation 2015 Posted on August 22, 2015October 6, 2015 by Brother Webmaster Abbot Neal Roth, OSB of St. Martin’s Abbey, WA, right, and Br. Alban Petesch, OSB of Assumption Abbey, ND. conducted the five-year visitation of St. Peter’s Abbey from August 17 to August 21.