Joseph Keele

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

Esaurito

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)

Esaurito

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

Esaurito

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