Investigation of Valzinco Lead-zinc Mine, Spotsylvania County, Va

Investigation of Vest Nickel Prospect, Floyd County, Va

Investigation of the White Zinc-lead Deposit, Lafayette County, Wis

Investigation of the Allah Cooper Lead-zinc Mine, Louisa County, Va

Investigation of Copper-nickel Mineralization in Kawishiwi River Area, Lake County, Minn

Shallow Lead Diggings, Grant and Lafayette Counties, Wis

Lightweight Aggregates: Expansion Properties of Clays, Shales, and Argillites of Minnesota

Zinc-ore Mining and Milling Methods, Piquette Mining and Milling Co., Tennyson, Wis

Investigation of Scallon-Todd Lease, Aitkin County, Minn

Fersmite: A Rare Calcium-columbate Mineral from Montana, Issues 5681-5700

Process Development in Removing Sulfur Dioxide from Hot Flue Gases (in Four Parts).: Laboratory-scale pulverized-coal-fired furnace. 2