Henri Mouhot travel routes map (after Mouhot 1864b) and the present-day geographical map of the 4th trip from Bangkok to Luang Phrabang during 1860–1861. The numbers indicating the important cities or towns are depicted on the Mouhot map. The numbers 1 to 6 are located in present-day Thailand and 7 to 9 are in Laos. The present use of location names is given in the square brackets. 1 Bangkok 2 Patawi [Wat Phra Phutthachai, Saraburi Province] 3 Korat [Nakhon Ratchasima Province] 4 Chaiapume [Chaiyaphum Province] 5 Leuye [Loei Province] 6 Kenne Tao [Kenethao District, Xayaboury Province] 7 Paklaie [Parklai District, Xayaboury Province] 8 Thadua [Tha Deua village, Xayaboury District, Xayaboury Province] and 9 Luang Phrabang.