"sitecode","intervention_type","refs"
"COT89F", "Fieldwalking", "Yorks Arch J Vol 62 pages 62-67, P.Didsbury"         
"COT90M", "Metal Detecting", "Yorks Arch J Vol 62 pages 51-62, D.Haldenby"      
"COT92M", "Metal Detecting", "Yorks Arch J Vol 64 pages 25-39, D.Haldenby"      
"COT93E", "Excavation", "Arch J Vol 156, 1999"                                  
"COT93F", "Fieldwalking", "Arch J Vol 156, 1999"                                
"COT94F", "Fieldwalking", "Arch J Vol 156, 1999"                                
"COT94M", "Metal Detecting", "Yorks Arch J Vol 66 pages 51-6, D.Haldenby"       
"COT95E", "Excavation", "Arch J Vol 156, 1999"