Channel F. From south ... AMS Horizontal (normal) ... Channel F. From south.
Drain C with Channel f over it from south showing line of channel f ... AMS Horizontal (normal) ... Drain C with Channel f over it from south showing line of channel f.
Channel F. Two shafts from south ... AMS Horizontal (normal) ... Channel F. Two shafts from south
Corner of Channel F, looking west ... AMS Horizontal (normal) ... Corner of Channel F, looking west.