There are two maps on this page. The first is basic overview in Google Maps. Tools are not available in this version.
The second link-only leads to the database coupled Google Earth version. Clicking will open a web edition of Google Earth.
Both versions are currently experimental.
GOOGLE MAPS VERSION–NO TOOLS
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GOOGLE EARTH VERSION–MEASUREMENT & GEOGRAPHY ANALYSIS TOOLS
https://earth.google.com/earth/d/1Q7Pe1skkMxKhumkjXP9-yamKtB1jraYm?usp=sharing
