TY  - RPRT
TI  - A tunnel runs through it — An inside view of the Tualatin Mountains, Oregon
AU  - Ken Walsh
AU  - Gary L. Peterson
AU  - Marvin H. Beeson
AU  - Ray E. Wells
AU  - Robert J. Fleck
AU  - Russell C. Evarts
AU  - Alison Duvall
AU  - Richard J. Blakely
AU  - Scott Burns
PY  - 2011
DO  - 10.3133/sim3144
UR  - https://pubs.usgs.gov/publication/sim3144
ID  - sim3144
ER  -