Frederick G. Clapp

1879 – 1944

• Economic geology of the Amity quadrangle, eastern Washington County, Pennsylvania
• Underground waters of southern Maine
• Amity folio [Pennsylvania
• Geology of eastern Iran
• Limestones of southwestern Pennsylvania
• Patoka folio, Indiana-Illinois
• Petroleum and natural gas resources of Canada
• Rogersville folio [Pennsylvania
• South America big field for petroleum development
• Summary report on the petroleum and natural gas resources of Canada
• Underground waters of southern Maine