Red River Resources (ASX: RVR) is seeking to build a multi-asset operating business focused on base and precious metals with the objective of delivering prosperity through lean and clever resource development.RVR's foundation asset is the Thalanga Base Metal Operation in Northern Queensland, which was acquired in 2014 and where RVR commenced copper, lead and zinc concentrate production in September 2017.RVR has commenced production at the high-grade Hillgrove Gold Mine in New South Wales which was acquired in 2019. The Hillgrove Gold Mine is a key part of RVR's strategy to build a multi-asset operating business focused on base and precious metals.