Tetrahedral Frameworks News Today

Bethesda Mine (Miller Mine), Bethesda, Montgomery Co., Maryland, USA : An abandoned gold property, one of many in the area tapping northerly trending quartz veins cutting schist of the Cambrian to Proterozoic Mather Gorge Formation, part of what was previously called ...

Glacier Mine, Mount Baker Mining District, Whatcom Co., Washington, USA : This mine is located East of Glacier. It was developed by 1600 of crosscuts, 1200 of trenching, and 1500 of core drilling. The ore consisted of float boulders and 4.5 tons were shipped in 1951. ...