Preliminary map of western Oregon, showing the density of merchantable timber, expressed in feet, B.M /

Bibliographic Details
Corporate Author:	Geological Survey (U.S.)
Format:	Map
Language:	English
Published:	[Washington, D.C.] : The Survey, [1898]
Subjects:	Forests and forestry > Oregon > Maps. Oregon > Maps.

Evans: Maps (2nd floor)