| 3. |  | A beaver dam above Haven Lake that was destroyed by the June 9, 1972 flood. This pond has been a trout pond for years. | Floods -- Black Hills (S.D. and Wyo.) Floods -- South Dakota -- Rapid City (S.D.) | A beaver dam above Haven Lake that was destroyed by the June 9, 1972 flood. This pond has been a trout pond for years. |