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.
| Uniform Title: | Scientific investigations map ;
3144. |
|---|---|
| Main Author: | |
| Corporate Authors: | |
| Language: | English |
| Published: |
[Reston, Va.] :
U.S. Dept. of the Interior, U.S. Geological Survey,
2011.
|
| Series: | Scientific investigations map ;
3144. |
| Subjects: | |
| Genre: | |
| Online Access: | |
| Physical Description: | 1 online resource (2 sections) : color. |
| Cartographic Data: | Scale not given. |
| Format: | Government Document Electronic Map |
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