MS notes: Scale = 10.204 miles per inch. 100 miled = 9.8 inches. Prime meridian: GM. Relief: no. Graphic Scale: Miles. Projection: Polyconic. Printing Process: Lithography. Verso Text: MS note: Washington & Oregon Postal Map 118.
Extent
1 map ; printed col. ; 81 x 104 cm., sheet 88 x 112 cm.
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