TY - JOUR T1 - On Ice Found in the Bottoms of Rivers. JF - Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London (1800-1843) VL - 2 SP - 46 EP - 46 PY - 1815/01/01/ UR - http://dx.doi.org/10.1098/rspl.1815.0039 M3 - doi:10.1098/rspl.1815.0039 AU - Knight, T. ER -