PHOTO PAPER THICKNESS NORMAL PHOTOGRAPH THICKNESS. REF NO SLIDE174.
PHOTO GELLI TUNNEL LOOKING WEST AT THE GELLI TUNNEL. THATS A YOUNG ME ABOUT TO
PHOTO NEIDPATH TUNNEL THE UNINVITING EASTERN ENTRANCE TO NEIDPATH TUNNEL.
PHOTO PENCAEDRAIN TUNNEL
PHOTO GRAIG TUNNEL (NORTH)
PHOTO BARRY TUNNEL SOUTH END 1973
PHOTO COWBURN TUNNEL EAST PORTAL 1989
