Joseph Keele

Preliminary Report on the Clay and Shale Deposits of the Province of Quebec

Épuisé

Joseph Keele Preliminary Report on the Clay and Shale Deposits of the Province of Quebec

Report on the Clay and Shale Deposits of the Western Provinces : (part II)

Épuisé

Heinrich Ries Report on the Clay and Shale Deposits of the Western Provinces : (part II)

Preliminary Report on the Clay and Shale Deposits of the Western Provinces

Épuisé

Heinrich Ries Preliminary Report on the Clay and Shale Deposits of the Western Provinces