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An appraisal of the no-mallard restriction during a portion of the 1967 waterfowl hunting season in southern Manitoba / by Michael F. Sorensen and Eugene F. Bossenmaier.: CW69-9/6E-PDF

"The mallard breeding population index for southern Manitoba, derived from aerial surveys in May, dropped from about 450,000 in the late fifties to about 170,000 in the mid-sixties"--p. [1].

Permanent link to this Catalogue record:
publications.gc.ca/pub?id=9.848690&sl=0

Publication information
Department/Agency
  • Canada. Environment Canada.
  • Canadian Wildlife Service.
TitleAn appraisal of the no-mallard restriction during a portion of the 1967 waterfowl hunting season in southern Manitoba / by Michael F. Sorensen and Eugene F. Bossenmaier.
Series title
  • Progress notes ; no. 6
Publication typeMonograph - View Master Record
Language[English]
FormatDigital text
Electronic document
Note(s)
  • "June 10, 1968."
  • Digitized edition from print [produced by Environment and Climate Change Canada].
Publishing information
  • Ottawa : Canadian Wildlife Service, 1968.
Author / Contributor
  • Sorensen, Michael F.
  • Bossenmaier, Eugene F.,1924-
Description13 p.
Catalogue number
  • CW69-9/6E-PDF
Subject terms
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