Pt.7) Condition of Yule Marble in Other Buildings: Building Stone of the Lincoln Memorial, by Elaine S. McGee
Pt.2) Quality, Grade, Mineralogic and Physical Characteristics of the Marble: Building Stone of the Lincoln Memorial, by Elaine S. McGee
Pt.1) Introduction and Geological Background: Building Stone of the Lincoln Memorial, by Elaine S. McGee
Colorado Stone Quarries Video Shows the Vast Scale of Italian Red Graniti Investment in Colorado Yule Marble Video