sentences:  Named for the former Black Beaver Council, when it was absorbed into the Last Frontier Council, the troop numbers of the council were augmented by making them all of the 4000 series (i.e.Black Beaver Council 327 became Last Frontier Council 4327).The Canadian Valley District geographic territory includes all communities in Pottawatomie County, Seminole County, and Hughes County, as well as the communities in the southern one-third of Lincoln County.