A tunnel runs through it : an inside view of the Tualatin Mountains
[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2011
Additional/Related Title Information
A tunnel runs through it : an inside view of the Tualatin Mountains / by Ken Walsh ... [and others] ; prepared in cooperation with Portland State University, Shannon and Wilson, Inc., and the Tri-County Metropolitan Transportation District of Oregon
Scientific investigations map ; 3144
Scientific investigations map ; 3144.
Portland State University Shannon & Wilson Tri-County Metropolitan Transportation District of Oregon Geological Survey (U.S.)
Geology--Oregon--Tualatin Mountains--Maps Tualatin Mountains (Or.)--Maps
1 online resource (2 sections) : color
Title from PDF title screen (viewed on March 28, 2011).
Includes text, col. ill., tables, and cross-sections.
Catalog ID (MMSID):