The Geology and Ore Deposits of the Virgilina District of ...

The Building and Ornamental Stones of North Carolina

The Geology and Ore Deposits of the Virgilina District of ...

Bibliography of North Carolina Geology, Mineralogy and ...

Geology and Metalliferous Resources of the Region about ...

Water-powers of North Carolina (a Supplement to Bulletin No. 8)

Geology and Ore Deposits of the Ducktown Mining District, ...

Bibliography of North Carolina Geology, Mineralogy and ...

A Reconnaissance in South Central Idaho: Embracing the ...

The Copper Deposits of the Seven Devils and Adjacent ...