The United States is an unexceptional example: at just 170 feet, more than 97 percent of Florida would disappear, leaving only a few hills in the Panhandle; and just under 97 percent of Delaware would be submerged. Oceans would cover 80 percent of Louisiana, 70 percent of New Jersey, and half of South Carolina, Rhode Island, and Maryland. San Francisco and Sacramento would be underwater, as would New York City, Philadelphia, Providence, Houston, Seattle, and Virginia Beach, among dozens of other cities. In many places, the coast would retreat by as much as one hundred miles. Arkansas and
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