Modern and ancient coal-forming environmentsde Cobb, James C.MateriasCoalPeatGeologyEdiciones (1)Modern and ancient coal-forming environments (1993)Geological Society of America · inglésMás obras de Cobb, James C.The distribution and physical properties of chert gravel in Pike County, IllinoisApplication of sedimentology to development of sand and gravel resources in McHenry and Kane Counties, Northeastern IllinoisNNew Encyclopedia of Southern Culture : Volume 11New Encyclopedia of Southern Culture : Volume 11
Application of sedimentology to development of sand and gravel resources in McHenry and Kane Counties, Northeastern Illinois
GGeology of the Lower Pennsylvanian in Kentucky, Indiana, andGeology of the Lower Pennsylvanian in Kentucky, Indiana, and Illinois
