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The [[Nalagarh Sandstone Quarry Railways|Nalagarh Quarry]] was used again to provide materials to the ‘Sutlej River Training Works’ at [[RoparRupar]] from Dec 1915 to May 1916. A 2ft/610mm narrow gauge([[Rail_gauge#Narrow_Gauge|NG]]) was laid from the headworks, along the riverbank 14 miles(22km) to the Nalagarh Quarries. The record shows that 30hp locomotives with trucks were used <ref name = DarvPB13>“Industrial Railways and Locomotives of India and South Asia” compiled by Simon Darvill. Published by ‘The Industrial Railway Society’ 2013. ISBN 978 1 901556 82-7. Available at http://irsshop.co.uk/India. Reference: Entry PB13 page ....</ref>.