Context Group,No of samples producing SFs,No of contexts / features,No of samples producing hobnails,No of samples producing other Fe objects,No of samples producing Cu-al objects,No of samples producing other SFs Pits,61,32,50,16,12,silver: 1 ,,,,,,glass: 1 ,,,,,,recycled pottery: 1 Wells,6,4,5,1,3,- Structures,51,51,35,9,6,lead: 3 ,,,,,,glass: 1 ,,,,,,bone: 1 Open Areas,41,35,33,2,3,lead: 2 ,,,,,,recycled pottery: 1 Alignments,3,3,1,2,-,- Totals,162,125,129,30,24,11 % chance of recovery in a sample,-,-,80,19,15,7 ,,,,,,(lead 3; glass 1.5; recycled pottery 1.5; silver 0.5; bone 0.5)