* Wood and other plant resources: The Achumawi people collected wood for building, firewood, and other purposes from the forests and woodlands in their region. They used wood to build homes, make tools and weapons, and create ceremonial items. Other plant resources included berries, roots, and seeds that were used for food and medicine.
* Water resources: The Achumawi people relied on rivers, streams, and springs for water. They used water for drinking, cooking, bathing, and other daily needs. They also constructed irrigation systems to divert water from streams to their fields for farming.
* Fish and other aquatic resources: The Achumawi people fished in rivers and lakes for salmon, trout, and other fish species. They also collected shellfish and other aquatic animals for food.
* Minerals: The Achumawi tribe used various minerals and stones from their territory, including obsidian and flint, for making tools and weapons. They also used clay for making pottery and pipes.
* Animal resources: The Achumawi people hunted a variety of animals for food and other resources. They hunted deer, elk, bear, rabbits, and other mammals, as well as birds, fish, and reptiles. They used the meat, fur, and other parts of animals for food, clothing, and other purposes.