Paper, 'On ice found in the bottoms of rivers' by T A [Thomas Andrew] Knight in a letter to the Rt Hon Sir Joseph Banks Subject: Hydrography Published in Philosophical Transactions as 'On ice found in the bottoms of rivers. By T. A. Knight, Esq. F. R. S, In a letter addressed to the Right Hon. Sir Joseph Banks, Bart. G. C. B. P. R. S'. Read 23 May 1816. Abstract published in Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London [later Proceedings of the Royal Society of London], Volume 2, 1833. [1816]