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Colorado (United States)

Subject Source: Local sources

Found in 2 Collections and/or Records:

Economic Map of Colorado, c1879

Identifier: Coll-74/6/17
Scope and Contents Economic Map of Colorado by the United States Geological and Geographical Survey of the Territories.
Dates: c1879

Lectures on American geological history, c1879

Identifier: Coll-74/6/4
Scope and Contents Notes and text for seven lectures looking at the geological history of the American continent, looking at specific locations therein, based partly on results from American survey work. These locations were related to to other places around the world, particularly in Britain and Europe. A variety of geological formations were looked at, including that of the continent itself, considering the materials which make them up and the geological timeframe.
Dates: c1879