Maryland Route 51 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Maryland Route 51" in English language version.

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2,659^th place

1,407^th place

2,258^th place

1,630^th place

6^th place

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5,576^th place

3,119^th place

1,690^th place

998^th place

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archive.org

Mackall, John N.; Darnall, R. Bennett; Brown, W.W. (January 1927). Annual Reports of the State Roads Commission of Maryland (1924–1926 ed.). Baltimore: Maryland State Roads Commission. pp. 54, 62, 65. Retrieved March 6, 2010.
Byron, William D.; Lacy, Robert (December 28, 1934). Report of the State Roads Commission of Maryland (1931–1934 ed.). Baltimore: Maryland State Roads Commission. pp. 9, 21, 28. Retrieved March 6, 2010.
Uhl, G. Clinton; Bruce, Howard; Shaw, John K. (October 1, 1930). Report of the State Roads Commission of Maryland (1927–1930 ed.). Baltimore: Maryland State Roads Commission. p. 48. Retrieved November 8, 2010.
Reindollar, Robert M.; George, Joseph M.; McCain, Russell H. (December 20, 1950). Report of the State Roads Commission of Maryland (1949–1950 ed.). Baltimore: Maryland State Roads Commission. p. 169. Retrieved March 6, 2010.
Bonnell, Robert O.; Bennett, Edgar T.; McMullen, John J. (December 15, 1958). Report of the State Roads Commission of Maryland (1957–1958 ed.). Baltimore: Maryland State Roads Commission. p. 82. Retrieved March 6, 2010.

National Highway System: Cumberland, MD (PDF) (Map). Federal Highway Administration. October 1, 2012. Retrieved September 2, 2014.

Prats, J.J. (July 21, 2006). "Old Town Marker". The Historical Marker Database. Springfield, VA: J.J. Prats. Retrieved November 10, 2010.

Maryland Geological Survey (1910). Map of Maryland (PDF) (Map). Baltimore: Maryland Geological Survey.
Maryland Geological Survey (1923). Map of Maryland: Showing State Road System and State Aid Roads (PDF) (Map). Baltimore: Maryland Geological Survey.
Maryland Geological Survey (1927). Map of Maryland: Showing State Road System and State Aid Roads (PDF) (Map). Baltimore: Maryland Geological Survey.
Maryland Geological Survey (1933). Map of Maryland Showing State Road System: State Aid Roads and Improved County Road Connections (PDF) (Map). Baltimore: Maryland Geological Survey.
Maryland State Roads Commission (1964). Maryland: Official Highway Map (PDF) (Map). Baltimore: Maryland State Roads Commission.
Maryland State Roads Commission (1965). Maryland: Official Highway Map (PDF) (Map). Baltimore: Maryland State Roads Commission.
Maryland State Highway Administration (1987). Maryland: Official Highway Map (PDF) (Map). Baltimore: Maryland State Highway Administration.

Frostburg quadrangle (Map) (1950 ed.). 1:48,000. 15 Minute Series (Topographic). United States Geological Survey. Retrieved March 3, 2010.

"NBI Structure Number: 100000010044010". National Bridge Inventory. Retrieved November 8, 2010.
"NBI Structure Number: 100000010092010". National Bridge Inventory. Retrieved November 8, 2010.
"NBI Structure Number: 100000010049010". National Bridge Inventory. Retrieved November 8, 2010.