Little Pipe Creek bridge and viaduct (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Little Pipe Creek bridge and viaduct" in English language version.

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hathitrust.org

"Frederick and Pennsylvania Line completes Little Pipe Creek bridge". American Railroad Journal. 45: 493. 20 April 1872. Retrieved 11 May 2013.Bridge located in the meadowlands of Samuel and Frank McGinnis

Davis, Janet L. (June 1991). "Railroad Bridge 52.61, Little Pipe Creek" (PDF). Inventory of Historic Properties. Annapolis, MD: Maryland Historical Trust. Retrieved 2014-06-24. Survey No. F-8-109, Ladiesburg, Maryland

"SRA Advertisement". Frederick News. December 5, 1986. Retrieved 19 July 2013.
The SRA procurement reference was Contract Number SRA 9800-1317-04. Keith L. Richardson managed the project. Freight Rail Track Engineer,(301-682-6312).
"Bids for Little Pipe creek". Frederick News Post, page 44. February 13, 1989. Retrieved 19 July 2013.
Charles E. Blank (301) 282-9524 was project engineer; Clyde A. Raleigh was Chief Engineer.
"MMID soliciting sealed bids". Frederick News Post, page 26. December 28, 1979. Retrieved 19 July 2013.

Maryland State Rail Plan, Annapolis: Maryland Dept. of Transportation, 1985, OL 2346278M