Geologische Karte von Niedersachsen 1:25 000 /
Niedersächsisches Landesamt für Bodenforschung.
Hannover: Das Landesamt,
1958-
Includes cross sections.
Some sheets issued with Karte A and Karte B, and with Profiltypenkarten.
Accompanied by Erläuterungen.
Sheets are interfiled with other states of Germany.
See graphic index in central (thematic) file, under Germany, geology.