E. William Heinrich

1918

• Microscopic identification of minerals
• The geology of carbonatites
• An unusual granite-amphibolite hybrid, Twin Mountain, Fremont County, Colorado
• Deposits of the sillimanite group of minerals south of Ennis, Madison County
• Economic geology of the sand and sandstone resources of Michigan
• Microscopic petrography
• Mineralogy and geology of radioactive raw materials
• Papers and proceedings
• Pegmatite mineral deposits in Montana
• Precambrian tungsten and copper-zinc skarn deposits of south-central Colorado
• Selected studies of Colorado pegmatites and sillimanite deposits
• Sillimanite deposits of the Dillon region, Montana