Prospect K. Robbins

Prospect K. Robbins (December 22, 1788^{[citation needed]} – 1847) was an American surveyor known for establishing the Fifth Principal Meridian that governs the surveys of all or part of present-day Arkansas, Iowa, Minnesota, Missouri, and South Dakota. The Fifth Principal Meridian was established in 1815 to survey the territory of the Louisiana Purchase, an area of 830,000 square miles (2,100,000 km²).^[1]

Prosoect K. Robbins
Born	(1788-12-22)December 22, 1788 Pittsfield, Massachusetts, U.S.
Died	1847 Ste. Genevieve, Missouri, U.S.
Resting place	Memorial Cemetery
Occupations	Army officer surveyor
Known for	Fifth Principal Meridian
Military service
Branch	Missouri Militia United States Volunteers
Years of service	1812 (Mo.) 1813–1815 (U.S.)
Rank	Adjutant (Mo.) First Lieutenant (U.S.)
Unit	Colonel McNair's Mounted Regiment (1812) Rangers (1813–1815)
Wars	War of 1812