----------------------------Original message----------------------------
A library colleague suggested I send this query (which I posted to
govdoc-l) to this list.  Please reply to me since I don't subscribe to
maps-l.  Thanks in advance for any info.
 
 
One of our geology faculty (the one in charge of maintaining the topo map
collection, a labor of love) asked me if there was a cd-rom or online
source which would list which are the most recent versions of topo
quadrangles.  I wandered around in the usgs sites for a while and didn't
find a list like this; I rather suspect one doesn't exist.  But I really
don't know too much about the map scene, so I thought I'd ask here for
the final authority.
 
Thanks for any info, even a negative answer.
 
Kathy Amen
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St. Mary's Univ. Academic Library
San Antonio, Texas