Thanks to a helpful lister who sent the following explanations of abbrevaitions used, and I thought I might pass them on to help others who have as little knowledge of USA geography as I do. AL-Alabama, AK-Alaska, AZ-Arizona, AR-Arkanasas, CA-California, CO-Colorado, CT-Connecticut, DE-Delaware, DC-Distict of Columbia, FL-Florida, GA-Georgia, HI-Hawaii, ID-Idaho, IL-Illinois, IN-Indiana, IA-Iowa, KY-Kentucky,LA-Louisana, ME-Maine, MD-Maryland, MA-Massachusetts, MI-Michigan,MN-Minnesota, MS-Mississippi, MO-Missouri, MT-Montana, NE-Nevada, NH-NewHampshire, NJ-NewJersey, NM-NewMexico, NY-NewYork, NC-NorthCarolina, ND-NorthDakota, OH-Ohio, OK-Oklahoma, OR-Oregon, PA-Pennsylvania, RI-Rhode Island, SC-SouthCarolina, SD-SouthDakota, TN-Tennessee, TX-Texas, UT-Utah, VT-Vermont, WA-Washington, WV-WestVirginia, WI-Wisconsin, WY-Wyoming. cheers Carolyn