Key to photograph. Please help identify the unknowns

Back Row: J.Shuker, N.Clarke, H.Heyes, F.Sumner, J.Smythe, A.Chapman, B.York, T.Willett, E.Mills B.Kunic Third Row: R.Butterworth, D.Wallsworth, G.Hornby, C.Cartwright, J.Sanderson, V.Wakefield, W.Seery K.Seddon, M.Taylor, W.S.Grimshaw Second Row: A.Bent, P.Baraclough, J.Snopkoski, D.Pilling Front Row: A.Chapman, D.Vost, A.Doherty, B,Royle, J.Valentrine, N.Wilkinson ?.Johnson, T.Baily