@misc{indiciae5fa278c5d20d, title = {Bibliography of hydrogeology for the Willamette Valley, Oregon}, author = {David S. Morgan and D.G. Weatherby}, year = {1992}, doi = {10.3133/ofr91473}, url = {https://pubs.usgs.gov/publication/ofr91473}, note = {Source identifier: ofr91473} }