In clearing out my lab I found some antique books on petrography and optical mineralogy. Think of Winchell and Winchell, Niggli. Free to a good home - please email me for a list. All books are in fair to good condition but showing their age. USA addresses only please. Thank you. Andrea Koziol akoziol1@udayton.edu -- ************************************************************ Dr. Andrea Koziol Dept. of Geology And Environmental Geosciences 300 College Park Dayton OH 45469-2364 akoziol1@udayton.edu Voice: 937-229-2954 *************************************************************