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Sue, thought I saw a figure recently of something like 7,500 sheets for all
of the scales within the series combined (1:24,00, 1:100,000, etc.). I am
not too sure how far off I am on this, hope others can give a specific
figure. We (Melissa Lamont and I) are working out a method of cataloging
ours here at PSU and using Innovacq as a checkin/holdings system to produce
sheet-level access. Hope to do a presentation/paper on this topic soon.
 
Paige Andrew