Complex sentence: Governor Mitch Daniels said the state is compiling its own thorough estimation and expects total damages top $1 billion, though this would include agricultural costs (of over $800 million) and clean-up efforts not included in the Ball State University Study.
Split into simpler sentences: Governor Mitch Daniels said the state is compiling its own thorough estimates, with total damages expected to top $1 billion. This would include agricultural costs (of over $800 million) and clean-up efforts not included in the Ball State University Study.