Complex sentence: Hops were once a predominant crop grown around Ukiah and a refurbished hop kiln can be seen at the north end of Ukiah east of Highway 101 where many of the old fields were.
Split into simpler sentences: Hops were once a predominant crop grown around Ukiah. A refurbished hop kiln can be seen at the north end of Ukiah east of Highway 101, where many of the old fields were.