National Park Service - This website provides some basic information about the eclipse and provides a link to a page with information about the 21 National Parks in the path of totality.
U.S. Department of Transportation - The U.S. Department of Transportation has developed a fact sheet on planning for the eclipse for state transportation departments.
U.S. Post Office Eclipse Stamps - The Post Office, an independent Federal Agency, is printing a stamp in honor of the eclipse using heat-sensitive ink. When touched, the stamp changes from black to an image of the Moon with the solar corona behind it.
U.S. Forest Service - each Forest Service unit in the Eclipse path has a separate website. Search the Forest Service website for Eclipse 2017 and a state name to find information about viewing the Eclipse in that unit.
National Weather Service - each NWS office in the path of the eclipse has their own website on the eclipse. To find them, use the search box on the Weather Service's home page or search for eclipse weather in a particular area using an Internet search engine.
Eclipse History - this NASA website provides information on historical accounts of eclipses.
Historical Eclipses - this website from NASA's Goddard Space Flight Center gives a list of historical solar eclipses with information on where they were described.
The 'All American' Eclipse: A Guide for Libraries and their Communities - this 24-page guide was developed for libraries by STAR_Net and the NASA@My Library project. It also includes information on companies that sell certified eclipse glasses.
Geogebra - A website that allows users to change the radius and center of the moon to demonstrate the relationship between eclipse magnitude (a value between 0 and 1) and percentage obscuration for solar eclipses. For the upcoming eclipse, the moon radius should be set to 1.02. Move the dot on the Moon Centre to the left to show an estimated view of an eclipse with a given magnitude and obscuration. In Macomb, the magnitude will be 0.956 and the obscuration will be 95.2%.
Eclipse Resource Guide - this guide from the Astronomical Society of the Pacific includes information on books, articles, websites and links to vendors that sell eclipse glasses.
Eclipse Quotations - Fred Espenak, a retired NASA scientist, runs the MrEclipse website. This page links to 4 pages of quotations about eclipses.
Eclipses in Fine Art - an article on eclipses depicted in art that appeared in LiveScience. NOTE: At least one of the artists developed permanent eye damage from watching an eclipse.
NASA Eclipse History - provides information on historical accounts of solar eclipses, including one recorded on a Babylonian clay tablet.
Eclipse History (Goddard Space Flight Center) - this eclipse history website from NASA's Goddard Space Flight Center gives quotes from and citations to historical eclipse descriptions.