True
1623-38
Algenhöhle
1623
1d
1/T +
38
1623-38
Höhlenforschervereinigung Altaussee, 1938
Behind the entrance there is a single passage at right angles to it, with boulders (Blockwerk).
Sketch by J. Gaisberger snr., 1938
33m
1623/38.htm