Complex sentence: Coffeyville enjoyed rapid growth after the discovery of plentiful natural gas and abundant clay and was from the turn of the century to the 1930s one of the largest glass and brick manufacturing centers in the nation.
Split into simpler sentences: Coffeyville enjoyed rapid growth after the discovery of its resources of plentiful natural gas and abundant clay. From the turn of the 20th century to the 1930s, it was one of the largest glass and brick manufacturing centers in the nation.