Timber harvesting activities on the island of Borneo still persists today, although not too segairah in years ago. Results harvesting of Central Kalimantan are assembled and brought to Banjarmasin through Barito river. Wood type sinking (sinker) and a floating wood species (floater) are assembled into a single, then use some ships diitarik. Usually the number of volumes ranging from rafts 2000 - 3000 M3. Trip travel time carrying logs from Banjarmasin in Central Kalimantan to average around 5 to 6 days.