El Quevar
Amec Foster Wheeler E&C Services Inc., NI 43-101 Technical Report on Updated Mineral Resource Estimate, Feb. 26, 2018
Amec Foster Wheeler E&C Services Inc., NI 43-101 Technical Report on Preliminary Economic Assessment, Sept. 4, 2018
Rodeo
Tetra Tech, Rodeo Project, Preliminary Economic Assessment Update. Oct. 31, 2021. Prepared under Canadian NI 43-101 guidelines.
Tetra Tech, Rodeo Project, Technical Report Summary. March 2022. Prepared under SEC S-K 1300 guidelines.
Mineral Resources Engineering, NI 43-101 Technical Report: Preliminary Economic Assessment, Rodeo Project, April 1, 2020. Prepared under Canadian NI 43-101 guidelines.
Tetra Tech, NI 43-101 Technical Report - Mineral Resource Estimate, Jan. 26, 2017. Prepared under Canadian NI 43-101 guidelines.
Santa Maria
Tetra Tech, NI 43-101 Technical Report - Updated Preliminary Economic Assessment, Sept. 14, 2018
Velardeña
Preliminary Economic Assessment Update, NI 43-101 Technical Report of the Velardeña Project, March 1, 2022. Prepared under Canadian NI 43-101 guidelines.
Tetra Tech, Velardeña Project, Technical Report Summary. March 2022. Prepared under SEC S-K 1300 guidelines.
Tetra Tech, Preliminary Economic Assessment & NI 43-101 Technical Report, May 8, 2020. Prepared under Canadian NI 43-101 guidelines.
Tetra Tech, NI 43-101 Technical Report - Preliminary Economic Assessment, Feb. 20, 2015. Prepared under Canadian NI 43-101 guidelines.