Here's an interactive map, in which one can zoom in for excellent details of the ground, in order to find a viewing spot.
Caveat: Those wanting RV parking/camping may be having trouble, as I hear that reservations have been filled up for months for this particular event, and those having vacancies want a 5-day reservation in some places.
http://xjubier.free.fr/en/site_pages/solar_eclipses/TSE_2017_GoogleMapFull.html
MOTHER SHIP Winnebago View 24H (2007 Dodge Sprinter 3500 Chassis, 2008 Body)3.0 L M-B Diesel V6 bought used with 24K miles. Toad: ROCKY the Flying Squirrel.