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Harry Hammond Hess - Spreading the Seafloor
http://pubs.usgs.gov/gip/dynamic/HHH.html
From NASA ED Mall Collection
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This is an introduction to the concept of seafloor spreading proposed by Harry Hess in the early 1960's. This site offers multiple links to further examine this geologic hypothesis.
Intended for grade levels:
  • High (9-12)
Type of resource:
  • Text:
    • Ref. material
Subject:
  • Atmospheric science
  • Chemistry
  • Geographical Sciences:
    • Physical geography
  • Geological Sciences:
    • Geophysics
    • Structural geology
  • Physics
  • Space science
Technical requirements:
No specific technical requirements, just a browser required
Cost / Copyright:
No cost
This resource is free of restrictions
DLESE Catalog ID: NASA-Edmall-579
Resource contact / Creator / Publisher:
Contact: John M Watson
Eastern Publications Group

Publisher: U.S. Geological Survey (USGS)
http://www.usgs.gov/