I have a professor looking for a specific sheet from the 1:50,000 topo set of El Salvador, U.S. AMS, Series E753 ( http://uwashington.worldcat.org/oclc/18804040) The sheet in need is: Honduras La Virtud 2458 II Please contact me off-list if you have this and are willing/able to share. Thanks! Matt Matthew Parsons, Associate Librarian Geospatial Data and Maps Earth & Space Sciences Atmospheric Sciences Acting Head, Map Collection University of Washington Libraries Box 352900 Seattle, WA 98195 206-543-2725 [log in to unmask]