| 词条 | M-12 (Michigan highway) |
| 释义 |
|header_type=former |state=MI |type=M 1919 |route=12 |length_mi=406.63 |length_ref=[1] |map=Michigan 12 1926 map.png |formed={{circa|July 1, 1919}}[2] |deleted= November 11, 1926[3][4] |location=Ironwood–Sault Ste. Marie |previous_type=US |previous_route=12 |next_type=M |next_route=13 }} M-12 is a former state highway in the Upper Peninsula of Michigan. It was replaced in 1926 by:
Since 1926, M-12 north of the St. Ignace area has been replaced by:
References1. ^{{cite web |author= Michigan Center for Geographic Information |title= Geographic Data Library |date=May 2007 |publisher= Michigan Department of Information Technology |url= http://www.mcgi.state.mi.us/mgdl/?rel=thext&action=thmname&cid=14&cat=MI+Geographic+Framework+All+Roads+%28v7b%29 |accessdate= February 27, 2008 }} {{start srbox}}{{mi browse|previous_type=US|previous_route=12|route=MI|next_type=M|next_route=13}}{{s-end}}{{roadindex}}{{DEFAULTSORT:M012}}2. ^{{cite MDOT map |date= 1919-07-01U |link= yes }} 3. ^{{cite map |author1= Bureau of Public Roads |author2= American Association of State Highway Officials |date= November 11, 1926 |title= United States System of Highways Adopted for Uniform Marking by the American Association of State Highway Officials |url= https://commons.wikimedia.org/wiki/File:United_States_System_of_Highways_Adopted_for_Uniform_Marking_by_the_American_Association_of_State_Highway_Officials.jpg |scale= 1:7,000,000 |location= Washington, DC |publisher= U.S. Geological Survey |oclc= 32889555 |accessdate= November 7, 2013 |via= Wikimedia Commons |last-author-amp= yes}} 4. ^{{cite MDOT map |date= 1926-12-01 }} 9 : Former state highways in Michigan|Transportation in Gogebic County, Michigan|Transportation in Iron County, Michigan|Transportation in Dickinson County, Michigan|Transportation in Menominee County, Michigan|Transportation in Delta County, Michigan|Transportation in Schoolcraft County, Michigan|Transportation in Mackinac County, Michigan|Transportation in Chippewa County, Michigan |
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