Of the twenty-one trails within Harvey County, Unit 3 provides narratives for a dozen of the more noteworthy ones. Unit 3-“Home of Trails” is divided into two sections. Part A contains descriptions of trails used by explorers, gold rush participants, military units, travelers, immigrants and homesteader groups (marked as A thru H). Part B describes cattle trails which traversed the area that would become Harvey County (marked as I and J).