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.

Author/creator Walsh, Ken
Format Map
Publication Info[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2011.
Description1 online resource (2 sections) : color.
Supplemental Contenthttp://purl.fdlp.gov/GPO/gpo5463
Subjects

Other author/creatorPortland State University.
Other author/creatorShannon & Wilson.
Other author/creatorTri-County Metropolitan Transportation District of Oregon.
Other author/creatorGeological Survey (U.S.)
Cartographic dataScale not given.
SeriesScientific investigations map ; 3144
Scientific investigations map ; 3144. ^A579989
General noteTitle from PDF title screen (viewed on March 28, 2011).
General noteIncludes text, col. ill., tables, and cross-sections.
Bibliography noteIncludes bibliographical references.
GPO item number0619-G-33 (online)
Govt. docs number I 19.91/3:3144

Availability

Library Location Call Number Status Item Actions
Electronic Resources Access Content Online ✔ Available