----------------------------Original message---------------------------- Mapfolks: The Caltech Geology Library is lacking the following USGS 15' topographic quads of California , and would be willing to entertain the possibility of gifts or exchanges to obtain them. As far as I can tell, all are out of print. Please reply directly to me at [log in to unmask] Many thanks in advance. Jim O'Donnell Alpine Butte Bakersfield East Bangor Ben Lomond Bieber Comanche Point Crank Mountain Delta Farms Duncans Mills Dunlap Fall River Mills Grays Well Hanford Kern Island King City Lemoore Little Valley Mare Island Michigan Bar Modesto Reservoir Mount Boardman Neenach Oroville Oxalis Pahrump Plantation Polomar Mountain Pomona Randsburg Redding Redondo Beach Saltdale San Diego San Francisco Santa Ana Santa Barbara Santa Monica Santa Susanna Santiago Peak Shadow Mountain Skaggs Tehachapi Tejon (Libre Mountain) Telescope Peak Tumey Hills Ventucopa Wagonwheel Mountain Watts Valley Whitehorse