Cite

Smyth, William, 1800-1877. Plan of the rivers Ucayali & Amazon from the Mission of Sarayacu to the Rio Negro from the observations of Lieut. Wm. Smyth & Mr. Fredk. Lowe, R.N., 1835. [TIFF]. London : published for the Journal of the Royal Geographical Society, by J. Murray, Albemarle Street, April 10, 1836.. https://catalog.princeton.edu/catalog/9971125643506421