Complex sentence: Shellburg Falls is a waterfall that measures high and has an average breadth of in the Stout Creek drainage, in the Santiam State Forest in Oregon, on Shellburg Creek, which relies on rainfall to flow.
Split into simpler sentences: Shellburg Falls is a waterfall that measures high and has an average breadth of in the watershed of Stout Creek. It is in the Santiam State Forest in Oregon, on a small stream named Shellburg Creek, which relies on rainfall to flow.