Fishery management and keepering /
Seymour, Richard, 1919-
Fishery management and keepering / Richard Seymour. - London : C. Knight, c1970. - xi, 199 p. : ill. ; 23 cm.
Includes index.
0853140731
Fish habitat improvement.
Fishery management.
Fish-culture.
Riverkeepers--England.
639.31 / SEF 1970
Fishery management and keepering / Richard Seymour. - London : C. Knight, c1970. - xi, 199 p. : ill. ; 23 cm.
Includes index.
0853140731
Fish habitat improvement.
Fishery management.
Fish-culture.
Riverkeepers--England.
639.31 / SEF 1970