Added the riverbank of Batang Serangan and its tributaries up to the borders of Gunung Leuser National Park

Added the riverbank of Batang Serangan and its tributaries up to the borders of Gunung Leuser National Park

Added the riverbank of Batang Serangan and its tributaries up to the borders of Gunung Leuser National Park

Added the riverbank of Batang Serangan and its tributaries up to the borders of Gunung Leuser National Park

Added the riverbank of Batang Serangan and its tributaries up to the borders of Gunung Leuser National Park

Added some rivers between the Wampu and Sarangan river

Added some rivers between the Wampu and Sarangan river

Added some rivers between the Wampu and Sarangan river

Readded the town of Perbaungan

Added some road in North Tapanuli

Extended the riverbank of Aek Sibundong and overhauled roads near the river

Extended the riverbank of Aek Sibundong and overhauled roads near the river

Extended the riverbank of Aek Sibundong and overhauled roads near the river

Added the riverbank of Sibundong from the river estuary up to Sorkam, added the water features nearby and fixed the river course

Added the upper Aek Sibundong river near Dolok Sanggul

Reverted a change in classification of Rantau Prapat back to city based on its population size, which is higher than other settlement classified as a city in North Sumatra (i.e. Sibolga), and comparable to 2 other cities in North Sumatra

Added some tributaries of the Barumun and its corresponding riverbank area

Added some tributaries of the Barumun and its corresponding riverbank area

Extended the riverbank of Barumun up to Siraisan

Extended the riverbank of Barumun up to Siraisan