Geology and Ore Deposits of the Breckenridge District, Colorado (open access)

Geology and Ore Deposits of the Breckenridge District, Colorado

Study of the geology and ore deposits of the Breckenridge District in Colorado.
Date: 1911
Creator: Ransome, Frederick Leslie
System: The UNT Digital Library
Mineral Resources of the Llano-Burnet Region, Texas with an Account of the Pre-Cambrian Geology (open access)

Mineral Resources of the Llano-Burnet Region, Texas with an Account of the Pre-Cambrian Geology

The following report examines the mineral resources and geologic relations of the pre-Cambrian rocks and the associated iron ores in the Llano-Burnet region, Texas.
Date: 1911
Creator: Paige, Sidney
System: The UNT Digital Library