-------- Original Message -------- Subject: Re: Determining Rare Maps Date: Mon, 11 Mar 2013 13:58:06 -0700 From: Carlos Diaz <[log in to unmask]> To: [log in to unmask] I posted the inquiry about how to determine if a map is rare due to a possible weeding project in our maps collection. I would really like to know how to identify such maps. We are a Federal documents depository and we have quite a collection of maps. For example: --Are the */Geologic Atlas of the United States/* that were published in the late 1800 and early 1900s be considered rare though quite a few depository collections may have them. --How about the early 15 minute series maps. are they also considered rare? --The other day while going through the collection, a student worker found a USGS map that included a black and white photo image (looked like a satellite image). Well, the map had the following phrase printed on the lower right corner of the map: */Experimental Issue/*. Though not old, could this be considered rare because it was the first time they tested something new? We don't want to remove something that could be valuable. ----------------------------------------------------------------------- ,-~~-.___. / | ' \ "The needs of the many outweigh the needs of ( ) 0 the few or the one." \_/-, ,----' ==== // Mr. Spock / \-'~; /~~~(O) Star Trek: The Wrath of Khan / __/~| / | =( _____| (_________| Carlos A. Diaz Government Publications, Maps, and Microforms James E. Brooks Library Central Washington University Mailstop 7548 Ellensburg, WA 98926 [log in to unmask] <mailto:[log in to unmask]> http://www.lib.cwu.edu/government-publications/ Carlos' phone: (509) 963-1545 -----------------------------------------------------------------------