Tourtelotte Park Special.

Tourtelotte Park Special. Geology Sheet XII. U. S. Geological Survey, Charles D. Walcott, Director. Monograph XXXI. A.H. Thompson, Geographer. Morris Bien, Topographer in charge. Triangulation by Morris Bien. Topography by F.F. Grove. Surveyed in 1891. S.F. Emmons, Geologist in charge. Geology by J.E. Spurr. Assistant, G.W. Tower. Julius Bien & Co. Lith. N.Y. (1898)

Spurr, Josiah Edward

1898

1898

United States Geological Survey

1:9 600

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