MARC21-007: Production/reproduction details of map
film
Film copy of the original.
d
other
Production or reproduction details other than photocopy, blueline print, photocopy, pre-production, film.
z
photocopy
Photocopy.
b
photocopy, blueline print
A blueline image on a white background and reproduced by the whiteprint process.
a
Bluelines are made from vellum, film positives, or any translucent or transparent original on which an image has been made.
pre-production
Pre-production (proof) copy intended for review.
c
unknown
Production/reproduction details are not known.
u
Published