1995, Ducks Unlimited Canada, Study, Waterfowl, Winter Cover CropFurther Investigation into Field Grazing by Wigeon in Delta, British ColumbiaMorgan PowellDecember 4, 2020
1995, E.S. CropConsult Ltd., Field Margin, Grass Margin, Hedgerow, ReportImpact of Hedgerows and Grass Margins on Insect and Weed Dispersal in Potato Fields in West Delta and Westham IslandRebecca BollwitMay 29, 2020
