Knowledge
Sumner Silica Sand Mine and Property, Source Energy Services Ltd.
Resource Technical Reports
Eccles, D.R., Nicholls, S., Farmer, R.J (2019) Technical Report 2018 Indicated and Inferred Resource Estimates for Source Energy Services Ltd.'s Sumner Silica Sand Mine and Property in Wisconsin, United States; National Instrument 43-101 Technical Report prepared for Source Energy Services Ltd.