PHOTO PAPER THICKNESS NORMAL PHOTOGRAPH THICKNESS.
PHOTO COLTHROP CROSSING SIGNAL BOX 590
PHOTO COLTHROP CROSSING SIGNAL BOX - WITH ELECTRIC CABLE POST IN PLACE
PHOTO COLTHROP LEVEL CROSSING V5 1979
PHOTO COLTHROP LEVEL CROSSING V3 1979
PHOTO COLTHROP FEB 1977
PHOTO COLTHROP SIGNAL BOX OUTSIDE 1973
