Books by William H. Easton
Carboniferous formations and f
Carboniferous formations and faunas of central Montana
Mississippian fauna in northwe
Mississippian fauna in northwestern Sonora, Mexico
Kinkaid corals from Illinois
Kinkaid corals from Illinois
Subsurface structure and oil possibilities of parts of Clay, Marion and Wayne Counties
Subsurface structure and oil possibilities of parts of Edwards, Richland, and Wabash Counties, Illinois