At head of title: "United States - West Coast Oregon - Washington." Stamps: Portland Instrument Co. Mar 30 1934. Prime meridian: GM. Relief: contour lines. Graphic Scale: Miles, yards. Projection: Polyconic. Printing Process: Lithography.
Type
image
Format
image/jpeg
Extent
1 map ; printed col. ; 63 x 105 cm., sheet 70 x 112 cm.
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