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Internet Archive
Focused crawls are collections of frequently-updated webcrawl data from narrow (as opposed to broad or wide) web crawls, often focused on a single domain or subdomain.
The Wayback Machine - https://web.archive.org/web/20201219150900/https://science.nasa.gov/about-us/science-strategy/decadal-surveys
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Most Recent Decadal Surveys
Astrophysics
Planetary
Heliophysics
Earth
