Chart of the Menam River, from Ayuthia to Cheangmai / by S.H. Poole ; the southern portion of the Menam River has been added ... by D.B.B.Poole, S. H1868?]"Surveyed in 1867 & 8 in company with Captain Tucker."Includes list of "kengs, or falls" and text.Relief shown by hachures.cartographic