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I am interested in the answers to Sue's questions also.  The small tubes are
the worst, but I have had problems with bigger tubes packed with nautical
charts and wads of paper stuffed inside.  I would cut and peel and cut and
peel, etc.  My fingers are small, but I have a hard time tring to reach inside
and twist the maps to come out.  My only solution was to finally let my
students have all the fun.  I wish the tubes were like mailing envelopes with a
strip to pull off so the tube would split open.
 
Joyce Ryerson
Baker Library Map Room
Dartmouth College