Mohorovicic discontinuity

Abstract: This collection contains plans for and information about Project Mohole, a cooperative effort between the United States government and the scientific community to drill a hole through the outer crust of the earth to what is called the “Mohorovicic Discontinuity” or Moho, the boundary between the Earth's crust and the mantle. Also included in this collection are magazine and news articles, correspondence, designs, and other information about the project. Also, Frank Brigg’s unpublished...