Le fluor

Clays in several parts of Kentucky

Gardner, James Henry

1905

Les gisements de Chaillac (Indre)

A. Ziserman

1980

Fluorspar Mining

Herbert K. Russell

2018

Fluorspar

United States Tariff Commission.

1928

Geologic guide to a portion of the fluorspar mining district in Livingston and Crittenden Counties, Kentucky

Forum on Geology of Industrial Minerals (9th 1973 Paducah, Ky.)

1973

Les gisements stratiformes de fluorine du Morvan

D. Soulé de Lafont

1980

Nonmetalliferous stratabound ore fields

Milka K. de Brodtkorb

1989

Why I know there is a God

Fulton Oursler

1950