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1998 Avian Botulism Outbreak 1. Delevan National Wildlife Refuge Colusa County, California Mortalities:1103 Species: Waterfowl, gulls, pelicans Confirmed: Yes Ongoing: No 2. Mid Hacienda Flood Plain Kern County, California Mortalities: 16,367 Species: American coot, waterfowl Confirmed: yes Ongoing: No 3. Salton Sea National Wildlife Refuge Imperial County, California Mortalities: 500 Species: Pelicans, gulls, egrets Confirmed: Yes Ongoing: Yes 4. Lower Klamath National Wildlife Refuge Sisiyou County, California Mortalities: 2980 Species: Waterfowl Confirmed: Yes Ongoing: No 5. Rocky Mountain Arsenal National Wildlife Refuge Adams County, Colorado Mortalities: 21 Species: Canadian geese Confirmed: Yes Ongoing: No 6. Camas National Wildlife Refuge Jefferson County, Idaho Mortalities: 122 Species: Waterfowl Confirmed: Yes Ongoing: No 7. Cheyenne Bottoms Wildlife Area Barton County, Kansas Mortalities: 2304 Species: Waterfowl, egrets, pelicans Confirmed: Yes Ongoing: No 8. Bowdoin National Wildlife Refuge Phillips County, Montana Mortalities: 4000 (est.) Species: Waterfowl Confirmed: Yes Ongoing: No 9. Medicine Lake National Wildlife Refuge Sheridan County, Montana Mortalities: 2230 Species: Coots, waterfowl Confirmed: Yes Ongoing: No 10. Long Lake National Wildlife Refuge Burleigh/Kidder Counties, North Dakota Mortalities: 773 Species: Waterfowl Confirmed: No Ongoing: No 11. Baumgartner Lake Emmons County, North Dakota Mortalities: 2603 Species: Waterfowl Confirmed: Yes Ongoing: No 12. Horsehead Lake Kidder County, North Dakota Mortalities: 7258 Species: Waterfowl Confirmed: Yes Ongoing: No 13. Lake McKenna Logan County, North Dakota Mortalities: 100 Species: Waterfowl Confirmed: Yes Ongoing: No 14. Logan General Management Area Logan County, North Dakota Mortalities: 103 Species: Waterfowl Confirmed: Yes Ongoing: No 15. Salzer Wildlife Protection Area McIntosh County, North Dakota Mortalities: 115 Species: Waterfowl Confirmed: Yes Ongoing: No 16. Lake Venturia McIntosh County, North Dakota Mortalities: 266 Species: Waterfowl Confirmed: Yes Ongoing: No 17. Williston Sewage Lagoons McKenzie County, North Dakota Mortalities: 104 Species: Mallards Confirmed: Yes Ongoing: No 18. Lake Alice National Wildlife Refuge Ramsey County, North Dakota Mortalities: 4114 Species: Waterfowl Confirmed: No Ongoing: No 19. Upper Souris National Wildlife Refuge Renville County, North Dakota Mortalities: 6500 (est.) Species: Waterfowl, shorebirds Confirmed: Yes Ongoing: No 20. Carson Lake, Humboldt River Delta Churchill County, Nevada Mortalities: 2072 Species: Waterfowl Confirmed: Yes Ongoing: No 21. Stillwater National Wildlife Refuge Churchill County, Nevada Mortalities: 1667 Species: Waterfowl Confirmed: No Ongoing: No 22. Sand Lake Brown County, South Dakota Mortalities: 146 Species: Waterfowl Confirmed: Yes Ongoing: No 23. Mud Lake Brown County, South Dakota Mortalities: 45 Species: Waterfowl Confirmed: Yes Ongoing: No 24. Long Lake Codington County, South Dakota Mortalities: 1665 Species: Waterfowl, shorebirds Confirmed: No Ongoing: No 25. Collins Slough Hand County, South Dakota Mortalities: 5500 (est.) Species: Waterfowl Confirmed: No Ongoing: No 26. Blue Blanket Wetlands Walworth County, South Dakota Mortalities: 3300 (est.) Species: Waterfowl Confirmed: No Ongoing: No 27. Bear River Migratory Bird Refuge Box Elder County, Utah Mortalities: 10,532 Species: Mallards Confirmed: Yes Ongoing: No 28. Fort Dent Park King County, Washington Mortalities: 75 (est.) Species: Mallards Confirmed: Yes Ongoing: No 29. Market Lake Wildlife Mgmt. Area Jefferson County, Idaho Mortalities: 180 (est.) Species: Waterfowl Confirmed: No Ongoing: No 30. American Falls Reservoir Power County, Idaho Mortalities: 5000 (est.) Species: Waterfowl Confirmed: No Ongoing: No 31. Tewaukon Complex District Area Richland County, North Dakota Mortalities: 3873 Species: Waterfowl, Shorebirds Confirmed: Yes Ongoing: No 32. Lake McConaughy Keith County, Nebraska Mortalities: 1000 Species: Waterfowl Confirmed: Yes Ongoing: No 33. San Francisco Bay Bird Observatory Santa Clara County, California Mortalities: 429 Species: Waterfowl Confirmed: Yes Ongoing: No 34. Albuquerque Bernalillo County, New Mexico Mortalities: 55 Species: Geese Confirmed: No Ongoing: No 35. Wetlands near Hatch Dona Ana County, New Mexico Mortalities: 2000 (est.) Species: Waterfowl Confirmed: Yes Ongoing: No 36. Sunnyvale Water Treatment Plant Santa Clara County, California Mortalities: 573 Species: Waterfowl Confirmed: No Ongoing: No 37. Flight Lake Potter County, South Dakota Mortalities: 401 Species: Waterfowl Confirmed: No Ongoing: No 38. Morelock's Slough McPherson County, South Dakota Mortalities: 351 Species: Waterfowl, shorebirds Confirmed: No Ongoing: No 39. Hyde Slough Hughes County, South Dakota Mortalities: 100 (est.) Species: Waterfowl, shorebirds Confirmed: No Ongoing: No

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