Gilpin, William, 1813-1894
Gilpin’s Hydrographic Map of North America
Gilpin designed this to shift the nation’s center of gravity westward toward the neglected interior, just as the nation acquired new territories in 1848
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Gilpin, William, 1813-1894
Map of the Basin of the Mississippi
Gilpin emphasized geographical relationships to showcase the “great basin” of the interior, which he predicted would soon become the economic, political, and demographic center of the nation.
Steinwehr, A. von (Adolph), 1822-1877
Map of the River Systems of the United States
Steinwehr was one of several skilled mapmakers who emigrated to the U.S. prior to the Civil War. This map integrates steam and wind power with agriculture to measure productivity.