Geology and Water Resources of the Northern Portion of the Black Hills and Adjoining Regions in South Dakota and Wyoming (open access)

Geology and Water Resources of the Northern Portion of the Black Hills and Adjoining Regions in South Dakota and Wyoming

Introduction: this paper, which supplements the report on the geology and water resources of the southern half of the Black Hills, published in 1901, is the result of studies made at intervals during the years 1899 to 1907.
Date: 1909
Creator: Darton, Nelson Horatio
System: The UNT Digital Library
Quaternary Geology of Minnesota and Parts of Adjacent States (open access)

Quaternary Geology of Minnesota and Parts of Adjacent States

Description of geology in Minnesota and explanations of glacial drift within the state an immediate surroundings (Wisconsin, Iowa, North Dakota and South Dakota) with sections detailing the movement of each glacier and relevant geological notes. Index starts on page 147.
Date: 1930
Creator: Leverett, Frank, 1859-1943
System: The UNT Digital Library