What were the specific features or landmarks natural or human made were found in California when the sonoma people settled in?

When the Sonoma people settled in California, they encountered a diverse landscape that included natural features such as the rolling hills of the Sonoma Valley, the nearby coastal ranges, and fertile riverbanks along the Russian River. Human-made landmarks included the seasonal villages and temporary encampments they built, often near abundant food sources like acorns, fish, and game. The region's mild climate and diverse ecosystems supported their lifestyle, allowing for hunting, gathering, and trade with neighboring tribes.