Rectangular water basin ... AMS south 747 ... 13 Jun 1938 ... Rectangular water basin.
Rectangular water basin ... AMS north 748 ... 13 Jun 1938 ... Rectangular water basin.
Rectangular water basin ... south 747 Horizontal (normal) ... 13 Jun 1938 ... Rectangular water basin.
Rectangular water basin ... north 748 Horizontal (normal) ... 13 Jun 1938 ... Rectangular water basin.
View of Water Basin looking north ... AMS Horizontal (normal) ... View of Water Basin looking north.
Water basin in floor of Building D ... AMS southeast Horizontal (normal) ... 20 Aug 1952 ... Water basin in floor of Building D.
Water basin in floor of Building D ... southeast Horizontal (normal) ... 20 Aug 1952 ... Water basin in floor of Building D.
Collapse of water basin north of channel cutting ... Laura Gawlinski ... northwest 3424 Horizontal (normal) ... 2 Jul 2018 ... Collapse of water basin north of channel cutting.