The Plumbago North pegmatite, Maine, USA: a new potential lithium resource
- February 6, 2020
- William B. "Skip" Simmons; Alexander U. Falster; Gary Freeman
- Mineralium Deposita
Giant spodumene and montebrasite crystals from the Plumbago North pegmatite, Oxford County, Maine
- September 30, 2019
- William B. "Skip" Simmons; Alexander U. Falster; James W. Nizamoff; Gary Freeman
- The Canadian Mineralogist