The Potsdam Sandstone Industry, locations of structures, industry time line, quarrying, stone construction techniques, stone masons, geological origins, historic photographs,and walking tour of Potsdam buildings.

• The Origin of Potsdam Sandstone by James Carl
• Sandstone Time Line Illustrated
• Sandstone "Interactive" Map Project
  
• Sandstone Festival 2012 
• Sandstone Festival 2010
• Sandstone Festival 2009
• "The Most Valuable Stone" 1989