@misc{indiciaefe6d9014eca4, title = {Historical changes in the Columbia River estuary based on sediment cores: feasibility studies}, author = {J.H. Petersen and R. Reisenbichler and G.R. Gelfenbaum and C. Peterson and D. Baker and P.R. Leavitt and C.A. Simenstad and F.G. Prahl}, year = {2003}, doi = {10.3133/70179884}, url = {https://pubs.usgs.gov/publication/70179884}, note = {Source identifier: 70179884} }