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The Thames Conservancy Archive

Fishery licence for Isabella Fleming of Cookham, 1870 (D/TC136)

The Thames Conservancy was responsible for the management of the Upper Thames from its source in Gloucestershire to Teddington, Middlesex, where the river becomes tidal.

The archive of the Thames Conservancy for the Upper River includes its own records from 1866-1974 as well as those of its predecessor body, the Thames Navigation Commissioners from 1771-1866. It also contains the records of the Thames Valley Drainage Commissioners.

The Conservancy had far-reaching powers concerning the navigation of the river. It undertook dredging; built and maintained locks and weirs; was responsible for water supplies taken from the river; and licensed various activities undertaken on the river. 


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