Climate Then and Now
President Thomas Jefferson gave instructions to Meriwether Lewis and William Clark regarding most facets of the 1804 expedition into and across the North American continent. Of particular mention is his instruction for them to record,
What environmental conditions did Lewis and Clark expect to find along the Missouri River of the Great Plains and beyond? Were they expecting a tropical climate? A desert? A paradise of temperate weather, fertile ground and navigable waterways? Did they expect mighty snowpacks and torrential rain?
To find out more, read our brochure available for download entitled, "Experiencing Climate."
Did You Know?
Jefferson sent the Corps of Discovery to find the "most direct & practicable water communication across [the] continent." Although the Corps did not find the water route Jefferson had hoped for, they did explore 4 major rivers: the Missouri, the Columbia, the Snake, and the Yellowstone.