Figures and fish movements from Halton Gauging station 1960-1966.
River Lune heave, hang and draw netting data 1963-1968.
Photocopy of Ribble Prefect log book and Mullet Net Activity 1991-1994.
Number of and price per pound of packages of salmon delivered at Billingsgate Market 1957, 1969 and 1970.
River Faughan tide cycle v fish tables 1963-1967.
Fish movement correlated to water temperature graph.
Net catches, River Lune 1966 and 1967.
Deduced flows in River Hodder, 1968.