Pennsylvania. Bureau of Topographic and Geologic Survey

• Analyses and measured sections of Pennsylvania bituminous coals
• Atlas of Pennsylvania's mineral resources
• Bituminous coal fields of Pennsylvania
• Geologic map of Pennsylvania
• Geology and mineral resources of Bucks County, Pennsylvania
• List of publications and reports issued and in progress
• The Devonian of Pennsylvania
• The mineral industry of Pennsylvania in 1976
• The mineral industry of Pennsylvania in 1980
• The mineral production of Pennsylvania, 1911, 1913
• The Pennsylvania geological survey
• The Pennsylvania survey, 1919-1922