REGULATION Gov.Regulation Minister of Agriculture Decree No 111/Um/1958 Date Juli 22,1958 Large (Hektar) 2,5 Technical implementation Unit BKSDA Jawa Timur Note Initially the Janggangan Rogojampi Nature Reserve area consists of 2 (two) areas namely Janggangan Rogojampi I Natural Reserve with an area of 5 ha; Janggangan Rogojampi Nature Reserve with an area of 2.5 ha.