Road map of Pennsylvania : showing state highways as adopted under the Sproul Road Bill approved May 31, 1911 and subsequent amendments and tentative plan of primary system / issued by the State Highway Department
Creator
Pennsylvania. Highway Dept., creator Benedict, Ralph C., cartographer
Primary Road System in yellow. Prime meridian: GM. Relief: no. Graphic Scale: Miles. Projection: Polyconic. Printing Process: Lithography. Verso Text: MS notes: 50809 Maps Pa. Pa. State hiway Dept. np. 1919 Stamp: J.L. Smith Map Publisher.
Extent
1 map printed col. 83 x 136 cm., sheet 83 x 136 cm.
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