picture of the US. outline the present-day states through which the Lewis and Clerk expedition traveled. Draw the Missouri River, Mississippi River, Great Plains, Rocky Mountains, Columbia River, Snake River, Yellow River, Spanish territory, and British territory. Outline the actual route that was traveled. Choose at least three elements to highlight along the route with a drawing and summary of that element ( at least one needs to be an indigenous group ) 1. indigenous group 2. animal 3. plant. Ensure all of the elements on the map are drawn and written. Ensure the writing is clear and follows grammar guidelines