Reauthorization of the National Earthquake Hazards Reduction Act of 1977 [microform] : joint hearing before the Subcommittee on Science, Technology, and Space of the Committee on Commerce, Science, and Transportation, United States Senate, and the Subcommittee on Science, Research, and Technology of the Committee on Science and Technology, U.S. House of Representatives, Ninety-seventh Congress, second session, on reauthorization of the National Earthquake Hazards Reduction Act of 1977, March 11, 1982