This is the framed wall art that features two maps of the same city side-by-side, separated by 100 years. The older 1:50000-scale USGS map is from over 100 years ago while the modern 1:45000 USGS map is from 2016. Both maps provide a five-mile radius from a city’s center, allowing the intrigued cartographer to note the changes in landscape that have occurred over a century of development and progress. Choose from Baltimore, Boston, Chicago, Detroit, Los Angeles, New York, Philadelphia, Pittsburgh, Portland, San Diego, San Francisco, Seattle, or Washington D.C. Comes in a black frame that measures 21" H x 33" W x 1" D. (3 1/4 lbs.)