geographic mile

geographic mile

n.
A nautical mile.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in classic literature ?
Its length was about five hundred and fifty miles, and its breadth, from the mountains to the Pacific, from three hundred to three hundred and fifty geographic miles.
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