Statistics for occurrence #1 of “State of Iowa” in entry united-states-of-america-missouri of Harper's Encyclopedia of United States History:

... in about long. 94° 30′, separates the State from the Indian Territory and Kansas, while the Missouri River marks the boundary of Kansas continued and Nebraska north of Kansas City. The State of Iowa forms the northern boundary. It is limited in latitude from 36° to 40° 30′ N., and in longitude from 89° 2′ to 95° 44′ W. Area, 65,370 square miles in 115 countie...
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