About the Collection

Potsdam Sandstone
Stand Rock, Dalles of the Wisconsin

Geology of Wisconsin. Survey of 1873-1879 ...Volume II (1877)

This series of reports is required by the specifications of the law of publication to embrace a general and systematic presentation of the geological structure of the state and the history of its formation, together with other matter whose preparation can only be advantageously completed after all special and detailed investigations have been finished.