a. As authorized by Section 9 - 276.30(a) and (b) (Laws 1965), Wyoming Statutes 1957, at a time on or before the day of the hearing in a contested case, the State Engineer or the Superintendent may direct the parties or their attorneys to consider:
b. Such conference shall be conducted informally. A memorandum will be prepared which recites the action taken at the conference, amendments allowed, agreements of the parties, and limiting the issues to those not disposed of by admission or agreements of counsel and the parties. The pre-hearing memorandum shall control the course of the hearing unless modified by the State Engineer to prevent manifest injustice.
037-8 Wyo. Code R. § 8-11