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Subject:
MAPS-L: New York State Topos?
From:
"Angie Cope, AGSL" <[log in to unmask]>
Reply To:
Maps, Air Photo & Geospatial Systems Forum
Date:
Wed, 22 Mar 2006 10:11:40 -0600
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-------- Original Message --------
Subject:        New York State Topos?
Date:   Wed, 22 Mar 2006 10:34:57 -0500
From:   Tom Hardaway <[log in to unmask]>
To:     <[log in to unmask]>



Hello Maps-L,

Thanks for the responses to our recent (3-16-06) query regarding the apparently missing dates for some NY topo quads, as well as some from other states.  However, the responses mostly seemed to be in answer to the question, "Why couldn't we find them?", by suggesting filing or identification difficulties.  This was not the question asked.  While we from time to time do discover (as all map libraries do, I suppose), some truant map languishing in a "neighborhood far from home", it is not due to the record keeping, filing and map idenfification systems in place, or our lack of understanding of them.

The question was:  Assuming that these are correct original publication or photorevision dates, why have we, as a regional depository library, not received them from USGS, and has anyone else observed a similar gap in their holdings?  I now assume that the reason no one has a solution to that question, is that the problem does not exist.

We have now reached the following conclusion.  Based on consulting the USGS publication, NEW YORK Catalog of topographic and other PUBLISHED MAPS, which "lists maps and map products produced under the U. S. Geological Survey's National Mapping Program that are available as of NOVEMBER 1988", and comparing the listed currently available topo dates at that time, with the dates of those which seemed to be missing and which were dated 1988 or earlier, we suspect that most of the apparently missing dates on the list presented to us, are neither original publication dates nor photorevisions, but are only subsequent printing dates (which based on our observations do not seem to be generally automatically distributed to depository libraries) and perhaps some photoinspected dates (which do not seem to have been uniformly distributed).  In either case threre would have been no new map content, and therefore, distribution is essentially redundant.  The upshot is, that this encounter has not uncovered a heretofore unrealized information gap.

Tom Hardaway
Map Library
University of Georgia

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