. Bulletin of the Geological Society of America. Geology; Geology -- United States. oj9'~- X V ProDRE 2.—An Enlarged joint Cavern Upper foot smoothed and striated by ice : proof of pre-Glacial age of solution effects. I' Ul. \\ ui Si K I w I . •! 1,1 I I - ^ I I; I \ ;ii r. \ \i;i: n S iui I'l'l ng Note the enlarged Joints; also ihr snluiion piis nii ihr top surfaci' nl' ihc liriu>stone. The arrow iinints Id llic cmly spol within llir I'k'IiI hI virw wliicli was Imu-hcd l)y the ice PECULIARITIES OF GLACIAL IN CENTRAL ILLINOIS. Please note that these imag


. Bulletin of the Geological Society of America. Geology; Geology -- United States. oj9'~- X V ProDRE 2.—An Enlarged joint Cavern Upper foot smoothed and striated by ice : proof of pre-Glacial age of solution effects. I' Ul. \\ ui Si K I w I . •! 1,1 I I - ^ I I; I \ ;ii r. \ \i;i: n S iui I'l'l ng Note the enlarged Joints; also ihr snluiion piis nii ihr top surfaci' nl' ihc liriu>stone. The arrow iinints Id llic cmly spol within llir I'k'IiI hI virw wliicli was Imu-hcd l)y the ice PECULIARITIES OF GLACIAL IN CENTRAL ILLINOIS. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Geological Society of America. [New York, etc. ] The Society


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