2010 Postal Coach Routes in the Pilliga Forest Research Report. Postal routes through the Pilliga in 1900. Roads, Bridges and TransportNorth WesternResearchForests & Forestry Author: Dr Sue Rosen Client: NSW National Parks and Wildlife Service, office of Environmentg and Heritage This study was commissioned in January 2010 by the he Baradine office of NPWS which manages a number of reserves associated with the Pilliga Forest and NPWS is responsible for the environmental land management of the area and for th conservation of places of natural and cultural heritage value. The outcomes specified in the brief were for research and analysis to identify through a ‘desktop survey’ mail and coach routes through the Pilliga. The routes and specific refreshment or change station sites were to be mapped. The study area was generally defined as bounded by Coonamble in the west, Narrabri in the north, Coonabarabran in the south, and Boggabri to the east.