Raines, Ed2018-09-212022-02-032018-09-212022-02-03https://hdl.handle.net/11124/172504Ed Raines, a geologist, mineralogist, and mining historian, explains the geologic history of Gilman and goes on to describe the minerals found in the area.53 minutes 34 secondslecturesengCopyright of the original work is retained by the author.Geology -- Colorado -- Eagle CountyGeology -- HistoryMines and mineral resources -- Colorado -- Eagle CountyCrystalsLimestone -- ColoradoDolomite -- Colorado -- Eagle CountyZinc -- Colorado -- Eagle CountySilver ores -- Colorado -- Eagle CountyPyrites -- Colorado -- Eagle CountySedimentation and deposition -- ColoradoGilman Mining District (Colo.)Ground Hog Mine (Colo.)MovingImage