I have built a PDF of this URL page. It is about 155k. If you email me off line I can send anyone who wants a copy. Handy reference map of where all the charts are for the world, using the US numbering scheme. If you have a PDA you can make a version that displays nicely on the Palm device. http://164.214.12.145/geol/geol_geo.html Mike Capt. Mike Maurice Tualatin(Portland), Oregon