01256nam a2200349 a 4500007415553MiAaHDL20111213000000.0m d cr bn ---auaua921130s1992 dcua b f000 0 eng dsdr-umn002400360(OCoLC)27041508(GPO)93057233(MnU)notisANC1676GPOGPODLCn------MNPDMNUA0616-B-01I 49.13/5:13.2.7I 49.13/5:13.2.7Ringelman, James K.(James Kent)Waterfowl management handbook.13.2.7,Identifying the factors that limit duck production /James K. Ringelman.[Washington, D.C. :U.S. Dept. of the Interior, Fish and Wildlife Service,1992]1 folded sheet (8 p.) :ill. ;28 cm.Fish and wildlife leaflet ;13Shipping list no.: 92-0632-P.Caption title.Includes bibliographical references (p. 8).Mode of access: Internet.Waterfowl managementNorth America.DucksNorth AmericaBreeding.DucksNorth AmericaReproduction.U.S. Fish and Wildlife Service.Identifying the factors that limit duck production.00741555320100105095426.020111213000000.020120815122756.02025-10-15T18:33:16Z2025-10-15T17:50:02ZSDR-UMNUNKNOWNloader.pl-001-001BKsdr-umn002400360umnSDRUMNumn.31951d01002718qUMN002400360UMNUMN20251015googleumn.31951d01002718q1992pdbibUS fed doc