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Boundaries, areas, geographic centers and altitudes of the United States and the several States with a brief record of important changes in their territory
Edward M. Douglas
1923, Bulletin 689
Boundaries between countries are established by treaties made by the sovereign powers concerned.A boundary between two States of the United States may be changed by agreement of the State legislatures, but this agreement must be approved by Congress. The United States Congress can not change a State boundary without the...
Peneplains of the Front Range and Rocky Mountain National Park, Colorado
Willis T. Lee
1923, Bulletin 730-A
The purpose of this paper is to call attention to some of the major surface features in the Rocky Mountain National Park and to point out their probable correlation with similar features in neighboring regions. The observations on which the paper is based were made in the summer of 1916,...