Who many considered fur and grains?

The phrase "fur and grains" typically refers to two distinct categories within the context of Natural Resources and trade. Fur often pertains to animal pelts used in fashion and industry, while grains represent staple crops essential for food production. The consideration of both can vary by region and economic context, but they are generally significant in discussions about agriculture and resource management. If you meant a specific study or context, please clarify for a more tailored answer.