Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Ombilin Coal Mining Heritage of Sawahlunto' has mentioned 'Sumatra' in the following places:
Occurrence Sentence Text Source
The Ombilin Coal Mine (formerly PT Tambang Batubara Ombilin (TBO)) is a coal mine near Sawahlunto, West Sumatra, Indonesia.
Prisoners/Kettingganger (Dutch for people in chains) from Java and Sumatra who were transported to the mining site with their legs, hands and necks in chained up, were the main laborers of the mine.
Built to exploit the exceedingly rich Ombilin coal deposits, located in the inaccessible mountains of West Sumatra, the Ombilin Coal Mining Heritage of Sawahlunto is an extensive technological ensemble consisting of twelve components located in three functionally-related areas: Area A, consisting of open pit mines and labyrinthine underground mining tunnels together with on-site coal processing facilities, supported by a full-facility purpose-built mining town nearby at Sawahlunto; Area B, an ingeniously engineered rack mountain railway together with numerous rail bridges and tunnels, linking the mines to the coastal seaport, across 155 kilometres of rugged mountain terrain; and Area C, a dredged harbour and newly-constructed seaport at Emmahaven on Sumatra's Indian Ocean coast from where the coal was shipped throughout the Netherlands East Indies and to Europe.
Located in three regencies and four municipalities of the West Sumatra Province, the property is protected through two main legal instruments, the National Law No.11 of 2010 for the protection, development and utilisation of cultural property in Indonesia at the national, provincial, and regency and municipal levels and the National Law Number 26 of 2007 for the arrangement of special plans and spatial plans at national, provincial, regency and municipal levels.
West Sumatra Provincial Regulation No.
There is a proposal to develop the silo at the Emmahaven Port coal storage facilities as a staging point for the presentation of the property and as an entry point for visitors from outside West Sumatra.