Bay Bridge is under construction. At head of title: "United States - West Coast California." Submap: Extension to Oakland Airport. Stamp: Portland Instrument Co. . Prime meridian: GM. Relief: no. Graphic Scale: Miles. Projection: Polyconic. Printing Process: Lithography.
Extent
1 map ; printed col. ; 86 x 111 cm., sheet 92 x 118 cm.
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