Hancock, E. T. (Eugene Thomas), b. 1875. The history of a portion of Yampa river, Colorado, and its possible bearing on that of the Green river / by E.T. Hancock.

Hancock, E. T. (Eugene Thomas), b. 1875.

The history of a portion of Yampa river, Colorado, and its possible bearing on that of the Green river / by E.T. Hancock.

Washington, U.S. Govt. Print. Off., 1915.

Includes bibliographical references.

Geology -- Colorado -- Moffat County.

Yampa River (Colo.) -- Channels.

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