ANALYSIS AND CRITIQUE OF STUDIES OF PONDS BY ENVIRONMENT CANADA DURING SPRAYING OF NEW BRUNSWICK FORESTS IN 1991

by Sprague, J. B.
: SPRAGUE ASSOCIATES LIMITED, 1992

COMMENTS ON THE AGRICULTURE CANADA REPORT: DISCUSSION DOCUMENT REGISTRATION STATUS OF FENITROTHION INSECTICIDE

by Sprague, J. B.
: SPRAGUE ASSOCIATES LIMITED, 1993