Complex sentence: The economy of the shire is based around agriculture, including cattle, sheep and grain, and natural gas with gas wells are found throughout the shire and a liquified petroleum gas processing plant located just south of Wallumbilla.
Split into simpler sentences: The economy of the shire is mostly based around agriculture, including cattle, sheep and grain. Natural gas also plays a part, with gas wells being found throughout the shire and a liquified petroleum gas processing plant located just south of Wallumbilla.