The Controversial Sonic Boom Experiment in Oklahoma City: A Letter to Mr. Albert Brooks1964-07-31unknownhttp://rightsstatements.org/vocab/NKC/1.0/enghttp://congressarchives.org/record/CAC_CC_038_8_47_4_0068The letter is informing Mr. Brooks that the controversial sonic boom experiment in Oklahoma City has ended. The writer acknowledges Mr. Brooks' opposition to the project and mentions that data on public acceptability of such noises was needed. The writer promises to ensure that individuals affected by the experiment are treated fairly. The letter also mentions Mr. Wolle's visit to Mr. Brooks to discuss the issue.