Complex sentence: Duryea, Pennsylvania, which had experienced similar flooding as the result of Hurricane Agnes in 1972, sought a town similar in size and demographics to "adopt" and help rebuild after the devastation wrought by the largest natural disaster in the history of the town.
Split into simpler sentences: Duryea, Pennsylvania had experienced similar flooding as the result of Hurricane Agnes in 1972. Duryea sought a town similar in size and demographics to "adopt" and help rebuild after the devastation wrought by the largest natural disaster in the history of the town.