Nebraska has had a state geologist since ... groundwater quality studies; landscape and geological maps; discovery of critical minerals; groundwater modeling; preserved geological samples for ...

By Dr. Leidy. With an Introduction on the Geology of the Tertiary Formations of Dakota and Nebraska; with a map. By Dr. Hayden. (Philadelphia, 1869.) ...

Lawrence W. Bradley, an environmental geologist at the University of Nebraska Omaha, argued in a lecture last Thursday that fossils taken from Sioux lands should be considered dispossessed Sioux ...