TY - RPRT TI - Tectonic and regional metamorphic implications of the discovery of Middle Ordovician conodonts in cover rocks east of the Green Mountain massif, Vermont AU - N. M. Ratcliffe AU - A. G. Harris AU - G. J. Walsh PY - 1999 DO - 10.1139/e99-009 UR - https://pubs.usgs.gov/publication/70021802 ID - 70021802 ER -