At least $2 billion to $3 billion is expected to be needed to cover the costs of flood damage throughout the state of Iowa. Loss estimates have already exceeded $750 million for Cedar Rapids alone.

Matthew Bucksbaum, one of the co-founders of General Growth Properties Inc., the developers of Jordan Creek Town Center, resigned Thursday as a board member of the company after 54 years as a director. Bucksbaum’s resignation from the board reduces its size to nine members. It will be up to the nominating and governance committee to decide whether to replace him.

Go Daddy Group Inc. is pitching in support for victims of the Iowa flooding with a $100,000 donation to the Cedar Rapids Salvation Army. The Scottsdale, Ariz.-based Internet domain name registrar has facilities in Iowa that have not been affected. According to a letter sent by company CEO Bob Parsons, the company decided to make a donation Friday afternoon.

Iowa Telecommunications Services Inc. said its board declared a regular quarterly dividend of 40.5 cents per share. The phone and broadband provider said the dividend is payable July 15 to shareholders of record June 30.

Sauer-Danfoss Inc. said its board declared a regular quarterly dividend of 18 cents per share. The company, which makes hydraulic, electric and electronic systems and components, said the dividend is payable July 15 to shareholders of record June 27.

Cheryl Achterberg, former dean of the College of Human Sciences at Iowa State University, has left ISU to accept a position at Ohio State University. Achterberg will lead Ohio State’s College of Education and Human Ecology with a starting salary of $245,000.