Photos from The Associated Press, plus graphics, text and audio.
Landsat (name indicating Land + Satellite) imagery is available since 1972 from six satellites in the Landsat series. Landsat supplies high resolution visible and infrared imagery.
Millions of photographs from the LIFE photo archive, stretching from the 1750s to today.
Over 40,000 detailed maps of Ohio cities drawn between 1882 and 1962.