Correlation of the Pleistocene deposits of NebraskaGeorge Evert Condra · First published 1947Open the Tome
Correlation of the formations of the Laramie Range, Hartville uplift, Black Hills and western NebraskaGeorge Evert Condra · First published 1940Open the Tome
Correlation of the Amerada Petroleum Company well drilled near Nehawka, NebraskaGeorge Evert Condra · First published 1939Open the Tome
Correlation of the members of the Shawnee group in southeastern Nebraska and adjacent areas of Iowa, Missouri and KansasGeorge Evert Condra · First published 1937Open the Tome
Geologic cross-section, Forest City, Missouri to Du Bois, NebraskaGeorge Evert Condra · First published 1935Open the Tome
Geography, agriculture, industries of NebraskaGeorge Evert Condra · First published 1934Open the Tome
Geological phases of soil erosion investigation and control in NebraskaGeorge Evert Condra · First published 1934Open the Tome
Correlation of the Big Blue series in NebraskaGeorge Evert Condra · First published 1931Open the Tome
Correlation of the Pennsylvanian beds in the Platte and Jones point sections of NebraskaGeorge Evert Condra · First published 1930Open the Tome
Personal observations and experiences relating to William Jennings BryanGeorge Evert Condra · First published 1920Open the Tome
Geology and water resources of a portion of the Missouri river valley in northeastern NebraskaGeorge Evert Condra · First published 1908Open the Tome
Geology and water resources of the Republican River Valley and adjacent areas, NebraskaGeorge Evert Condra · First published 1907Open the Tome
