1. Aeromagnetic map of the Long Beach 1:100,000-scale quadrangle, California [microform] Yale Public content 1996. 2008-03-03T18:01:15Z. 2008-03-03T18:01:15Z. Langenheim, Victoria E. U.S. Dept. of the Interior, U.S. Geological Survey ; Federal Center [distributor]. English. Public. California, Los Angeles, and Channel Islands.