The Bureau of Land Management Library is looking for the following items, we believe they might be circa 1983-1984: -old US Geological Survey Mining Operations Manual, parts 620 to 629 -Oil &Gas Operations Manual, parts 640 to 649, the notebook label of which says "Branch of Minerals, Classification Manual." Please contact me if you own them and we can borrow them, or if you have suggestions for where we might find them. Thank you! Barbara Campbell Chief, Branch of Library Services Bureau of Land Management PO Box 25047 Denver, CO 80225 ph. 303-236-6648 fax 303-236-4810 [log in to unmask] http://web.nc.blm.gov/blmlibrary/