After returning from his journey west, stephen h. long perpetuated the myth that the region between the missouri river and the rocky mountains was unfit for cultivation.
Stephen Harriman Long (1784–1864) was an American military explorer best known for leading the 1820 expedition to what is now Colorado. On his journey map, he eminently called the arid Great Plains the "Great American Desert". Even as late as 1823, Major Long of the Army Engineers noted that much of the land between the Missouri River and the Rocky Mountains was "almost wholly unfit for cultivation, and of course uninhabitable by a people depending on agriculture for their subsistence." Today, the adaptation of technology to semi-arid areas and the development of new technologies have made the Great Plains one of the most productive agricultural regions in the world.
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