Oregon, 7.5-minute series (topographic) / mapped, edited, and published by the Geological Survey.

Bibliographic Details
Corporate Author:	Geological Survey (U.S.)
Language:	English
Published:	Reston, Va. : Geological Survey, [1956?]-
Subjects:	Oregon > Maps. Topographic maps. Maps.
Genre:	Maps. Topographic maps.
Physical Description:	maps : color ; on sheets 69 x 56 cm
Cartographic Data:	Scale 1:24,000 ; Lambert conformal conic projection, or polyconic projection (W 125°00ʹ00ʺ--W 117°00ʹ00ʺ/N 46°00ʹ00ʺ--N 42°00ʹ00ʺ).
Format:	Government Document Map

Description
Note:	Relief shown by contours and spot heights. "Topography by photogrammetric methods from aerial photographs." Photorevised sheets show changes in purple. Includes quadrangle location map. Some sheets issued as "provisional map." Set includes various issues of some sheets. Provisional sheets and editions beginning in the 1990's include index to adjoining sheets. Some sheets revised by USDA Forest Service. Some sheets have standard map series designation: Series V892. Cartographic material.
Call Number:	Arranged by sheet name - refer to index in Maps