It Is the general policy of the State Engineer to grant permits for only one beneficial use. The practice of filing applications containing a number of beneficial uses causes endless confusion and usually the additional uses are never developed and remain on the records in an indeterminate status. With the exception of the combination of irrigation and stock purposes, applications should be filed for a single beneficial purpose except as further discussed in Chapter III, Section 2, d., Item 3, page 7 of this Manual,
037-2 Wyo. Code R. § 2-10