Herb Thompson of the Geographic Alliance in Nevada developed a lesson strategy in which students place a series of items in order (e.g., mountain ranges by height, continents in order of size or population). Using this same strategy, he developed a lesson in which students place the events of the Lewis and Clark Expedition in order and match the dates with the events. The lesson strategy and "Order the Continents" lesson is available here. The template and answer sheet for the "Lewis and Clark Timeline" lesson is here.