A description of the upper part of the River Shannon :

and the islands, falls of water, canals, and locks thereon: with some remarks and observations that may be useful to the public ... Surveyed and navigated by John Cowan.
Bibliographic Details
Main Creator: Cowan, John, fl. 1795.
Format: Book
Language:English
Published / Created: Dublin : Printed by J. and J. Carrick, 1795.
Notes:Physical description: 14 p. ; 4to