Coal Fields No. 3, Austria. Coal Resources of the World. by Petrascheck, W.

Coal Fields No. 3, Austria. Coal Resources of the World.

Coal Resources of the World. Austria. Map No. 39. Karte 3. Ubersichtskarte de Voitsberg - Koflacher Braunkohlenrevieres ... W. Petrascheck.

Petrascheck, W.

1913

Morang & Co.

1:35 000