(W 97°00ʹ--W 89°07ʹ/N 44°30ʹ--N 39°46ʹ). Page number in lower right corner: 35. Differs from other edition (OCLC 78771984): includes Do. proposed from Sergeants Bluff to Clayton County, Do. proposed from St. Mary's to Ottumwa. There may be additional differences. 35 x 43 centimeters Scale approximately 1:1,805,760 General Map Collection
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