TY - RPRT TI - Silurian tectonic history of Penobscot Bay region, Maine AU - D. B. Stewart AU - J. D. Unger AU - D. R. Hutchinson PY - 1995 DO - 10.4138/2098 UR - https://pubs.usgs.gov/publication/70018886 ID - 70018886 ER -