Gibson, D. et al. 2021. Protracted intra- and inter-pluton magmatism during the Acadian orogeny: evidence from new LA-ICP-MS U-Pb zircon ages from northwestern Maine, USA. Atlantic Geoscience. 57, 1 (Mar. 2021), 147–191. DOI:https://doi.org/10.4138/atlgeol.2021.008.