----------------------------Original message---------------------------- We have been doing major housecleaning and now have approximately 6,000 duplicate and superceded USGS 7.5' topographic maps, covering parts of all 50 states processed to offer to interested libraries. Conditions: 1)Takers must pay postage. 2)Preference given to those who request state sets. Sue Barrick TTU Dept. of Geosciences Map Depository