India / Myanmar. Mallet, F.R. (1876). ‘On the Coal-fields of the Naga Hills Bordering the Lakhimpur and Sisagar Districts’, extract of The MemoirsIndia Myanmar. Mallet, F. R. (1876). On the Coal fields of the Naga Hills Bordering the Lakhimpur and Sisagar Districts, extract of The Memoirs of the Geological Survey of India, vol. 12, pp. 1 92, + 3 foldout colour printed maps. Maps: Geological Sketch [map] of the Naga Hills, 1: 506,880 scale, 29 x 40 cm; Geological Sketch [map] of Makum and Jaipur Coal Fields, 1: 126,720 scale, 30 x 45cm; and Geological Sketch [map] of the Nazira and Janji Coal