@misc{indiciae6159283efeb5, title = {Silurian tectonic history of Penobscot Bay region, Maine}, author = {D. B. Stewart and J. D. Unger and D. R. Hutchinson}, year = {1995}, doi = {10.4138/2098}, url = {https://pubs.usgs.gov/publication/70018886}, note = {Source identifier: 70018886} }