Louis Heyman

• A loesslike silt deposit in Ann Arbor, Michigan
• Geology of the Elk Run gas pool, Jefferson County, Pennsylvania
• Geology of the Elk Run gas pool, Jefferson County, Pennsylvania / by Louis Heyman.
• Oil and gas developments in Pennsylvania in 1977 / by Louis Heyman and Cheryl L. Cozart.
• Oyf di vegn fun kamf
• The new aspect of the oil problem
• Tully (Middle Devonian) to Queenston (Upper Ordovician) correlations in the subsurface of western Pennsylvania